Added Bootstrap 4.6.2

include/thirdparty/Bootstrap4.6/css/bootstrap-reboot.css

@@ -0,0 +1,325 @@
+/*!
+ * Bootstrap Reboot v4.6.2 (https://getbootstrap.com/)
+ * Copyright 2011-2022 The Bootstrap Authors
+ * Copyright 2011-2022 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
+*,
+*::before,
+*::after {
+  box-sizing: border-box;
+}
+
+html {
+  font-family: sans-serif;
+  line-height: 1.15;
+  -webkit-text-size-adjust: 100%;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
+
+article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
+  display: block;
+}
+
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+  font-size: 1rem;
+  font-weight: 400;
+  line-height: 1.5;
+  color: #212529;
+  text-align: left;
+  background-color: #fff;
+}
+
+[tabindex="-1"]:focus:not(:focus-visible) {
+  outline: 0 !important;
+}
+
+hr {
+  box-sizing: content-box;
+  height: 0;
+  overflow: visible;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: 0.5rem;
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+abbr[title],
+abbr[data-original-title] {
+  text-decoration: underline;
+  -webkit-text-decoration: underline dotted;
+  text-decoration: underline dotted;
+  cursor: help;
+  border-bottom: 0;
+  -webkit-text-decoration-skip-ink: none;
+  text-decoration-skip-ink: none;
+}
+
+address {
+  margin-bottom: 1rem;
+  font-style: normal;
+  line-height: inherit;
+}
+
+ol,
+ul,
+dl {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+ol ol,
+ul ul,
+ol ul,
+ul ol {
+  margin-bottom: 0;
+}
+
+dt {
+  font-weight: 700;
+}
+
+dd {
+  margin-bottom: .5rem;
+  margin-left: 0;
+}
+
+blockquote {
+  margin: 0 0 1rem;
+}
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+small {
+  font-size: 80%;
+}
+
+sub,
+sup {
+  position: relative;
+  font-size: 75%;
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -.25em;
+}
+
+sup {
+  top: -.5em;
+}
+
+a {
+  color: #007bff;
+  text-decoration: none;
+  background-color: transparent;
+}
+
+a:hover {
+  color: #0056b3;
+  text-decoration: underline;
+}
+
+a:not([href]):not([class]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+a:not([href]):not([class]):hover {
+  color: inherit;
+  text-decoration: none;
+}
+
+pre,
+code,
+kbd,
+samp {
+  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  font-size: 1em;
+}
+
+pre {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  overflow: auto;
+  -ms-overflow-style: scrollbar;
+}
+
+figure {
+  margin: 0 0 1rem;
+}
+
+img {
+  vertical-align: middle;
+  border-style: none;
+}
+
+svg {
+  overflow: hidden;
+  vertical-align: middle;
+}
+
+table {
+  border-collapse: collapse;
+}
+
+caption {
+  padding-top: 0.75rem;
+  padding-bottom: 0.75rem;
+  color: #6c757d;
+  text-align: left;
+  caption-side: bottom;
+}
+
+th {
+  text-align: inherit;
+  text-align: -webkit-match-parent;
+}
+
+label {
+  display: inline-block;
+  margin-bottom: 0.5rem;
+}
+
+button {
+  border-radius: 0;
+}
+
+button:focus:not(:focus-visible) {
+  outline: 0;
+}
+
+input,
+button,
+select,
+optgroup,
+textarea {
+  margin: 0;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+button,
+input {
+  overflow: visible;
+}
+
+button,
+select {
+  text-transform: none;
+}
+
+[role="button"] {
+  cursor: pointer;
+}
+
+select {
+  word-wrap: normal;
+}
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+button:not(:disabled),
+[type="button"]:not(:disabled),
+[type="reset"]:not(:disabled),
+[type="submit"]:not(:disabled) {
+  cursor: pointer;
+}
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
+}
+
+input[type="radio"],
+input[type="checkbox"] {
+  box-sizing: border-box;
+  padding: 0;
+}
+
+textarea {
+  overflow: auto;
+  resize: vertical;
+}
+
+fieldset {
+  min-width: 0;
+  padding: 0;
+  margin: 0;
+  border: 0;
+}
+
+legend {
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  padding: 0;
+  margin-bottom: .5rem;
+  font-size: 1.5rem;
+  line-height: inherit;
+  color: inherit;
+  white-space: normal;
+}
+
+progress {
+  vertical-align: baseline;
+}
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+[type="search"] {
+  outline-offset: -2px;
+  -webkit-appearance: none;
+}
+
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+::-webkit-file-upload-button {
+  font: inherit;
+  -webkit-appearance: button;
+}
+
+output {
+  display: inline-block;
+}
+
+summary {
+  display: list-item;
+  cursor: pointer;
+}
+
+template {
+  display: none;
+}
+
+[hidden] {
+  display: none !important;
+}
+/*# sourceMappingURL=bootstrap-reboot.css.map */

include/thirdparty/Bootstrap4.6/css/bootstrap-reboot.min.css

@@ -0,0 +1,8 @@
+/*!
+ * Bootstrap Reboot v4.6.2 (https://getbootstrap.com/)
+ * Copyright 2011-2022 The Bootstrap Authors
+ * Copyright 2011-2022 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */*,::after,::before{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}[tabindex="-1"]:focus:not(:focus-visible){outline:0!important}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem}p{margin-top:0;margin-bottom:1rem}abbr[data-original-title],abbr[title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#007bff;text-decoration:none;background-color:transparent}a:hover{color:#0056b3;text-decoration:underline}a:not([href]):not([class]){color:inherit;text-decoration:none}a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em}pre{margin-top:0;margin-bottom:1rem;overflow:auto;-ms-overflow-style:scrollbar}figure{margin:0 0 1rem}img{vertical-align:middle;border-style:none}svg{overflow:hidden;vertical-align:middle}table{border-collapse:collapse}caption{padding-top:.75rem;padding-bottom:.75rem;color:#6c757d;text-align:left;caption-side:bottom}th{text-align:inherit;text-align:-webkit-match-parent}label{display:inline-block;margin-bottom:.5rem}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item;cursor:pointer}template{display:none}[hidden]{display:none!important}
+/*# sourceMappingURL=bootstrap-reboot.min.css.map */

include/thirdparty/Bootstrap4.6/js/alert.js

@@ -0,0 +1,187 @@
+/*!
+  * Bootstrap alert.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Alert = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'alert';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.alert';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_NAME_ALERT = 'alert';
+  var CLASS_NAME_FADE = 'fade';
+  var CLASS_NAME_SHOW = 'show';
+  var EVENT_CLOSE = "close" + EVENT_KEY;
+  var EVENT_CLOSED = "closed" + EVENT_KEY;
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_DISMISS = '[data-dismiss="alert"]';
+  /**
+   * Class definition
+   */
+
+  var Alert = /*#__PURE__*/function () {
+    function Alert(element) {
+      this._element = element;
+    } // Getters
+
+
+    var _proto = Alert.prototype;
+
+    // Public
+    _proto.close = function close(element) {
+      var rootElement = this._element;
+
+      if (element) {
+        rootElement = this._getRootElement(element);
+      }
+
+      var customEvent = this._triggerCloseEvent(rootElement);
+
+      if (customEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      this._removeElement(rootElement);
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._element = null;
+    } // Private
+    ;
+
+    _proto._getRootElement = function _getRootElement(element) {
+      var selector = Util__default["default"].getSelectorFromElement(element);
+      var parent = false;
+
+      if (selector) {
+        parent = document.querySelector(selector);
+      }
+
+      if (!parent) {
+        parent = $__default["default"](element).closest("." + CLASS_NAME_ALERT)[0];
+      }
+
+      return parent;
+    };
+
+    _proto._triggerCloseEvent = function _triggerCloseEvent(element) {
+      var closeEvent = $__default["default"].Event(EVENT_CLOSE);
+      $__default["default"](element).trigger(closeEvent);
+      return closeEvent;
+    };
+
+    _proto._removeElement = function _removeElement(element) {
+      var _this = this;
+
+      $__default["default"](element).removeClass(CLASS_NAME_SHOW);
+
+      if (!$__default["default"](element).hasClass(CLASS_NAME_FADE)) {
+        this._destroyElement(element);
+
+        return;
+      }
+
+      var transitionDuration = Util__default["default"].getTransitionDurationFromElement(element);
+      $__default["default"](element).one(Util__default["default"].TRANSITION_END, function (event) {
+        return _this._destroyElement(element, event);
+      }).emulateTransitionEnd(transitionDuration);
+    };
+
+    _proto._destroyElement = function _destroyElement(element) {
+      $__default["default"](element).detach().trigger(EVENT_CLOSED).remove();
+    } // Static
+    ;
+
+    Alert._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var $element = $__default["default"](this);
+        var data = $element.data(DATA_KEY);
+
+        if (!data) {
+          data = new Alert(this);
+          $element.data(DATA_KEY, data);
+        }
+
+        if (config === 'close') {
+          data[config](this);
+        }
+      });
+    };
+
+    Alert._handleDismiss = function _handleDismiss(alertInstance) {
+      return function (event) {
+        if (event) {
+          event.preventDefault();
+        }
+
+        alertInstance.close(this);
+      };
+    };
+
+    _createClass(Alert, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }]);
+
+    return Alert;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DISMISS, Alert._handleDismiss(new Alert()));
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Alert._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Alert;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Alert._jQueryInterface;
+  };
+
+  return Alert;
+
+}));
+//# sourceMappingURL=alert.js.map

include/thirdparty/Bootstrap4.6/js/button.js

@@ -0,0 +1,229 @@
+/*!
+  * Bootstrap button.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery')) :
+  typeof define === 'function' && define.amd ? define(['jquery'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Button = factory(global.jQuery));
+})(this, (function ($) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'button';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.button';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_NAME_ACTIVE = 'active';
+  var CLASS_NAME_BUTTON = 'btn';
+  var CLASS_NAME_FOCUS = 'focus';
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var EVENT_FOCUS_BLUR_DATA_API = "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY);
+  var EVENT_LOAD_DATA_API = "load" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_DATA_TOGGLE_CARROT = '[data-toggle^="button"]';
+  var SELECTOR_DATA_TOGGLES = '[data-toggle="buttons"]';
+  var SELECTOR_DATA_TOGGLE = '[data-toggle="button"]';
+  var SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle="buttons"] .btn';
+  var SELECTOR_INPUT = 'input:not([type="hidden"])';
+  var SELECTOR_ACTIVE = '.active';
+  var SELECTOR_BUTTON = '.btn';
+  /**
+   * Class definition
+   */
+
+  var Button = /*#__PURE__*/function () {
+    function Button(element) {
+      this._element = element;
+      this.shouldAvoidTriggerChange = false;
+    } // Getters
+
+
+    var _proto = Button.prototype;
+
+    // Public
+    _proto.toggle = function toggle() {
+      var triggerChangeEvent = true;
+      var addAriaPressed = true;
+      var rootElement = $__default["default"](this._element).closest(SELECTOR_DATA_TOGGLES)[0];
+
+      if (rootElement) {
+        var input = this._element.querySelector(SELECTOR_INPUT);
+
+        if (input) {
+          if (input.type === 'radio') {
+            if (input.checked && this._element.classList.contains(CLASS_NAME_ACTIVE)) {
+              triggerChangeEvent = false;
+            } else {
+              var activeElement = rootElement.querySelector(SELECTOR_ACTIVE);
+
+              if (activeElement) {
+                $__default["default"](activeElement).removeClass(CLASS_NAME_ACTIVE);
+              }
+            }
+          }
+
+          if (triggerChangeEvent) {
+            // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input
+            if (input.type === 'checkbox' || input.type === 'radio') {
+              input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE);
+            }
+
+            if (!this.shouldAvoidTriggerChange) {
+              $__default["default"](input).trigger('change');
+            }
+          }
+
+          input.focus();
+          addAriaPressed = false;
+        }
+      }
+
+      if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {
+        if (addAriaPressed) {
+          this._element.setAttribute('aria-pressed', !this._element.classList.contains(CLASS_NAME_ACTIVE));
+        }
+
+        if (triggerChangeEvent) {
+          $__default["default"](this._element).toggleClass(CLASS_NAME_ACTIVE);
+        }
+      }
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._element = null;
+    } // Static
+    ;
+
+    Button._jQueryInterface = function _jQueryInterface(config, avoidTriggerChange) {
+      return this.each(function () {
+        var $element = $__default["default"](this);
+        var data = $element.data(DATA_KEY);
+
+        if (!data) {
+          data = new Button(this);
+          $element.data(DATA_KEY, data);
+        }
+
+        data.shouldAvoidTriggerChange = avoidTriggerChange;
+
+        if (config === 'toggle') {
+          data[config]();
+        }
+      });
+    };
+
+    _createClass(Button, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }]);
+
+    return Button;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, function (event) {
+    var button = event.target;
+    var initialButton = button;
+
+    if (!$__default["default"](button).hasClass(CLASS_NAME_BUTTON)) {
+      button = $__default["default"](button).closest(SELECTOR_BUTTON)[0];
+    }
+
+    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {
+      event.preventDefault(); // work around Firefox bug #1540995
+    } else {
+      var inputBtn = button.querySelector(SELECTOR_INPUT);
+
+      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {
+        event.preventDefault(); // work around Firefox bug #1540995
+
+        return;
+      }
+
+      if (initialButton.tagName === 'INPUT' || button.tagName !== 'LABEL') {
+        Button._jQueryInterface.call($__default["default"](button), 'toggle', initialButton.tagName === 'INPUT');
+      }
+    }
+  }).on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, function (event) {
+    var button = $__default["default"](event.target).closest(SELECTOR_BUTTON)[0];
+    $__default["default"](button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type));
+  });
+  $__default["default"](window).on(EVENT_LOAD_DATA_API, function () {
+    // ensure correct active class is set to match the controls' actual values/states
+    // find all checkboxes/readio buttons inside data-toggle groups
+    var buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS));
+
+    for (var i = 0, len = buttons.length; i < len; i++) {
+      var button = buttons[i];
+      var input = button.querySelector(SELECTOR_INPUT);
+
+      if (input.checked || input.hasAttribute('checked')) {
+        button.classList.add(CLASS_NAME_ACTIVE);
+      } else {
+        button.classList.remove(CLASS_NAME_ACTIVE);
+      }
+    } // find all button toggles
+
+
+    buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE));
+
+    for (var _i = 0, _len = buttons.length; _i < _len; _i++) {
+      var _button = buttons[_i];
+
+      if (_button.getAttribute('aria-pressed') === 'true') {
+        _button.classList.add(CLASS_NAME_ACTIVE);
+      } else {
+        _button.classList.remove(CLASS_NAME_ACTIVE);
+      }
+    }
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Button._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Button;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Button._jQueryInterface;
+  };
+
+  return Button;
+
+}));
+//# sourceMappingURL=button.js.map

include/thirdparty/Bootstrap4.6/js/carousel.js

@@ -0,0 +1,643 @@
+/*!
+  * Bootstrap carousel.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Carousel = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'carousel';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.carousel';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
+
+  var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
+
+  var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
+
+  var SWIPE_THRESHOLD = 40;
+  var CLASS_NAME_CAROUSEL = 'carousel';
+  var CLASS_NAME_ACTIVE = 'active';
+  var CLASS_NAME_SLIDE = 'slide';
+  var CLASS_NAME_RIGHT = 'carousel-item-right';
+  var CLASS_NAME_LEFT = 'carousel-item-left';
+  var CLASS_NAME_NEXT = 'carousel-item-next';
+  var CLASS_NAME_PREV = 'carousel-item-prev';
+  var CLASS_NAME_POINTER_EVENT = 'pointer-event';
+  var DIRECTION_NEXT = 'next';
+  var DIRECTION_PREV = 'prev';
+  var DIRECTION_LEFT = 'left';
+  var DIRECTION_RIGHT = 'right';
+  var EVENT_SLIDE = "slide" + EVENT_KEY;
+  var EVENT_SLID = "slid" + EVENT_KEY;
+  var EVENT_KEYDOWN = "keydown" + EVENT_KEY;
+  var EVENT_MOUSEENTER = "mouseenter" + EVENT_KEY;
+  var EVENT_MOUSELEAVE = "mouseleave" + EVENT_KEY;
+  var EVENT_TOUCHSTART = "touchstart" + EVENT_KEY;
+  var EVENT_TOUCHMOVE = "touchmove" + EVENT_KEY;
+  var EVENT_TOUCHEND = "touchend" + EVENT_KEY;
+  var EVENT_POINTERDOWN = "pointerdown" + EVENT_KEY;
+  var EVENT_POINTERUP = "pointerup" + EVENT_KEY;
+  var EVENT_DRAG_START = "dragstart" + EVENT_KEY;
+  var EVENT_LOAD_DATA_API = "load" + EVENT_KEY + DATA_API_KEY;
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_ACTIVE = '.active';
+  var SELECTOR_ACTIVE_ITEM = '.active.carousel-item';
+  var SELECTOR_ITEM = '.carousel-item';
+  var SELECTOR_ITEM_IMG = '.carousel-item img';
+  var SELECTOR_NEXT_PREV = '.carousel-item-next, .carousel-item-prev';
+  var SELECTOR_INDICATORS = '.carousel-indicators';
+  var SELECTOR_DATA_SLIDE = '[data-slide], [data-slide-to]';
+  var SELECTOR_DATA_RIDE = '[data-ride="carousel"]';
+  var Default = {
+    interval: 5000,
+    keyboard: true,
+    slide: false,
+    pause: 'hover',
+    wrap: true,
+    touch: true
+  };
+  var DefaultType = {
+    interval: '(number|boolean)',
+    keyboard: 'boolean',
+    slide: '(boolean|string)',
+    pause: '(string|boolean)',
+    wrap: 'boolean',
+    touch: 'boolean'
+  };
+  var PointerType = {
+    TOUCH: 'touch',
+    PEN: 'pen'
+  };
+  /**
+   * Class definition
+   */
+
+  var Carousel = /*#__PURE__*/function () {
+    function Carousel(element, config) {
+      this._items = null;
+      this._interval = null;
+      this._activeElement = null;
+      this._isPaused = false;
+      this._isSliding = false;
+      this.touchTimeout = null;
+      this.touchStartX = 0;
+      this.touchDeltaX = 0;
+      this._config = this._getConfig(config);
+      this._element = element;
+      this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS);
+      this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0;
+      this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent);
+
+      this._addEventListeners();
+    } // Getters
+
+
+    var _proto = Carousel.prototype;
+
+    // Public
+    _proto.next = function next() {
+      if (!this._isSliding) {
+        this._slide(DIRECTION_NEXT);
+      }
+    };
+
+    _proto.nextWhenVisible = function nextWhenVisible() {
+      var $element = $__default["default"](this._element); // Don't call next when the page isn't visible
+      // or the carousel or its parent isn't visible
+
+      if (!document.hidden && $element.is(':visible') && $element.css('visibility') !== 'hidden') {
+        this.next();
+      }
+    };
+
+    _proto.prev = function prev() {
+      if (!this._isSliding) {
+        this._slide(DIRECTION_PREV);
+      }
+    };
+
+    _proto.pause = function pause(event) {
+      if (!event) {
+        this._isPaused = true;
+      }
+
+      if (this._element.querySelector(SELECTOR_NEXT_PREV)) {
+        Util__default["default"].triggerTransitionEnd(this._element);
+        this.cycle(true);
+      }
+
+      clearInterval(this._interval);
+      this._interval = null;
+    };
+
+    _proto.cycle = function cycle(event) {
+      if (!event) {
+        this._isPaused = false;
+      }
+
+      if (this._interval) {
+        clearInterval(this._interval);
+        this._interval = null;
+      }
+
+      if (this._config.interval && !this._isPaused) {
+        this._updateInterval();
+
+        this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
+      }
+    };
+
+    _proto.to = function to(index) {
+      var _this = this;
+
+      this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM);
+
+      var activeIndex = this._getItemIndex(this._activeElement);
+
+      if (index > this._items.length - 1 || index < 0) {
+        return;
+      }
+
+      if (this._isSliding) {
+        $__default["default"](this._element).one(EVENT_SLID, function () {
+          return _this.to(index);
+        });
+        return;
+      }
+
+      if (activeIndex === index) {
+        this.pause();
+        this.cycle();
+        return;
+      }
+
+      var direction = index > activeIndex ? DIRECTION_NEXT : DIRECTION_PREV;
+
+      this._slide(direction, this._items[index]);
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"](this._element).off(EVENT_KEY);
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._items = null;
+      this._config = null;
+      this._element = null;
+      this._interval = null;
+      this._isPaused = null;
+      this._isSliding = null;
+      this._activeElement = null;
+      this._indicatorsElement = null;
+    } // Private
+    ;
+
+    _proto._getConfig = function _getConfig(config) {
+      config = _extends({}, Default, config);
+      Util__default["default"].typeCheckConfig(NAME, config, DefaultType);
+      return config;
+    };
+
+    _proto._handleSwipe = function _handleSwipe() {
+      var absDeltax = Math.abs(this.touchDeltaX);
+
+      if (absDeltax <= SWIPE_THRESHOLD) {
+        return;
+      }
+
+      var direction = absDeltax / this.touchDeltaX;
+      this.touchDeltaX = 0; // swipe left
+
+      if (direction > 0) {
+        this.prev();
+      } // swipe right
+
+
+      if (direction < 0) {
+        this.next();
+      }
+    };
+
+    _proto._addEventListeners = function _addEventListeners() {
+      var _this2 = this;
+
+      if (this._config.keyboard) {
+        $__default["default"](this._element).on(EVENT_KEYDOWN, function (event) {
+          return _this2._keydown(event);
+        });
+      }
+
+      if (this._config.pause === 'hover') {
+        $__default["default"](this._element).on(EVENT_MOUSEENTER, function (event) {
+          return _this2.pause(event);
+        }).on(EVENT_MOUSELEAVE, function (event) {
+          return _this2.cycle(event);
+        });
+      }
+
+      if (this._config.touch) {
+        this._addTouchEventListeners();
+      }
+    };
+
+    _proto._addTouchEventListeners = function _addTouchEventListeners() {
+      var _this3 = this;
+
+      if (!this._touchSupported) {
+        return;
+      }
+
+      var start = function start(event) {
+        if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
+          _this3.touchStartX = event.originalEvent.clientX;
+        } else if (!_this3._pointerEvent) {
+          _this3.touchStartX = event.originalEvent.touches[0].clientX;
+        }
+      };
+
+      var move = function move(event) {
+        // ensure swiping with one touch and not pinching
+        _this3.touchDeltaX = event.originalEvent.touches && event.originalEvent.touches.length > 1 ? 0 : event.originalEvent.touches[0].clientX - _this3.touchStartX;
+      };
+
+      var end = function end(event) {
+        if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {
+          _this3.touchDeltaX = event.originalEvent.clientX - _this3.touchStartX;
+        }
+
+        _this3._handleSwipe();
+
+        if (_this3._config.pause === 'hover') {
+          // If it's a touch-enabled device, mouseenter/leave are fired as
+          // part of the mouse compatibility events on first tap - the carousel
+          // would stop cycling until user tapped out of it;
+          // here, we listen for touchend, explicitly pause the carousel
+          // (as if it's the second time we tap on it, mouseenter compat event
+          // is NOT fired) and after a timeout (to allow for mouse compatibility
+          // events to fire) we explicitly restart cycling
+          _this3.pause();
+
+          if (_this3.touchTimeout) {
+            clearTimeout(_this3.touchTimeout);
+          }
+
+          _this3.touchTimeout = setTimeout(function (event) {
+            return _this3.cycle(event);
+          }, TOUCHEVENT_COMPAT_WAIT + _this3._config.interval);
+        }
+      };
+
+      $__default["default"](this._element.querySelectorAll(SELECTOR_ITEM_IMG)).on(EVENT_DRAG_START, function (e) {
+        return e.preventDefault();
+      });
+
+      if (this._pointerEvent) {
+        $__default["default"](this._element).on(EVENT_POINTERDOWN, function (event) {
+          return start(event);
+        });
+        $__default["default"](this._element).on(EVENT_POINTERUP, function (event) {
+          return end(event);
+        });
+
+        this._element.classList.add(CLASS_NAME_POINTER_EVENT);
+      } else {
+        $__default["default"](this._element).on(EVENT_TOUCHSTART, function (event) {
+          return start(event);
+        });
+        $__default["default"](this._element).on(EVENT_TOUCHMOVE, function (event) {
+          return move(event);
+        });
+        $__default["default"](this._element).on(EVENT_TOUCHEND, function (event) {
+          return end(event);
+        });
+      }
+    };
+
+    _proto._keydown = function _keydown(event) {
+      if (/input|textarea/i.test(event.target.tagName)) {
+        return;
+      }
+
+      switch (event.which) {
+        case ARROW_LEFT_KEYCODE:
+          event.preventDefault();
+          this.prev();
+          break;
+
+        case ARROW_RIGHT_KEYCODE:
+          event.preventDefault();
+          this.next();
+          break;
+      }
+    };
+
+    _proto._getItemIndex = function _getItemIndex(element) {
+      this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM)) : [];
+      return this._items.indexOf(element);
+    };
+
+    _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
+      var isNextDirection = direction === DIRECTION_NEXT;
+      var isPrevDirection = direction === DIRECTION_PREV;
+
+      var activeIndex = this._getItemIndex(activeElement);
+
+      var lastItemIndex = this._items.length - 1;
+      var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
+
+      if (isGoingToWrap && !this._config.wrap) {
+        return activeElement;
+      }
+
+      var delta = direction === DIRECTION_PREV ? -1 : 1;
+      var itemIndex = (activeIndex + delta) % this._items.length;
+      return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
+    };
+
+    _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      var targetIndex = this._getItemIndex(relatedTarget);
+
+      var fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM));
+
+      var slideEvent = $__default["default"].Event(EVENT_SLIDE, {
+        relatedTarget: relatedTarget,
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
+      });
+      $__default["default"](this._element).trigger(slideEvent);
+      return slideEvent;
+    };
+
+    _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
+      if (this._indicatorsElement) {
+        var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE));
+        $__default["default"](indicators).removeClass(CLASS_NAME_ACTIVE);
+
+        var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
+
+        if (nextIndicator) {
+          $__default["default"](nextIndicator).addClass(CLASS_NAME_ACTIVE);
+        }
+      }
+    };
+
+    _proto._updateInterval = function _updateInterval() {
+      var element = this._activeElement || this._element.querySelector(SELECTOR_ACTIVE_ITEM);
+
+      if (!element) {
+        return;
+      }
+
+      var elementInterval = parseInt(element.getAttribute('data-interval'), 10);
+
+      if (elementInterval) {
+        this._config.defaultInterval = this._config.defaultInterval || this._config.interval;
+        this._config.interval = elementInterval;
+      } else {
+        this._config.interval = this._config.defaultInterval || this._config.interval;
+      }
+    };
+
+    _proto._slide = function _slide(direction, element) {
+      var _this4 = this;
+
+      var activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM);
+
+      var activeElementIndex = this._getItemIndex(activeElement);
+
+      var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
+
+      var nextElementIndex = this._getItemIndex(nextElement);
+
+      var isCycling = Boolean(this._interval);
+      var directionalClassName;
+      var orderClassName;
+      var eventDirectionName;
+
+      if (direction === DIRECTION_NEXT) {
+        directionalClassName = CLASS_NAME_LEFT;
+        orderClassName = CLASS_NAME_NEXT;
+        eventDirectionName = DIRECTION_LEFT;
+      } else {
+        directionalClassName = CLASS_NAME_RIGHT;
+        orderClassName = CLASS_NAME_PREV;
+        eventDirectionName = DIRECTION_RIGHT;
+      }
+
+      if (nextElement && $__default["default"](nextElement).hasClass(CLASS_NAME_ACTIVE)) {
+        this._isSliding = false;
+        return;
+      }
+
+      var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
+
+      if (slideEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      if (!activeElement || !nextElement) {
+        // Some weirdness is happening, so we bail
+        return;
+      }
+
+      this._isSliding = true;
+
+      if (isCycling) {
+        this.pause();
+      }
+
+      this._setActiveIndicatorElement(nextElement);
+
+      this._activeElement = nextElement;
+      var slidEvent = $__default["default"].Event(EVENT_SLID, {
+        relatedTarget: nextElement,
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
+      });
+
+      if ($__default["default"](this._element).hasClass(CLASS_NAME_SLIDE)) {
+        $__default["default"](nextElement).addClass(orderClassName);
+        Util__default["default"].reflow(nextElement);
+        $__default["default"](activeElement).addClass(directionalClassName);
+        $__default["default"](nextElement).addClass(directionalClassName);
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(activeElement);
+        $__default["default"](activeElement).one(Util__default["default"].TRANSITION_END, function () {
+          $__default["default"](nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(CLASS_NAME_ACTIVE);
+          $__default["default"](activeElement).removeClass(CLASS_NAME_ACTIVE + " " + orderClassName + " " + directionalClassName);
+          _this4._isSliding = false;
+          setTimeout(function () {
+            return $__default["default"](_this4._element).trigger(slidEvent);
+          }, 0);
+        }).emulateTransitionEnd(transitionDuration);
+      } else {
+        $__default["default"](activeElement).removeClass(CLASS_NAME_ACTIVE);
+        $__default["default"](nextElement).addClass(CLASS_NAME_ACTIVE);
+        this._isSliding = false;
+        $__default["default"](this._element).trigger(slidEvent);
+      }
+
+      if (isCycling) {
+        this.cycle();
+      }
+    } // Static
+    ;
+
+    Carousel._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var data = $__default["default"](this).data(DATA_KEY);
+
+        var _config = _extends({}, Default, $__default["default"](this).data());
+
+        if (typeof config === 'object') {
+          _config = _extends({}, _config, config);
+        }
+
+        var action = typeof config === 'string' ? config : _config.slide;
+
+        if (!data) {
+          data = new Carousel(this, _config);
+          $__default["default"](this).data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'number') {
+          data.to(config);
+        } else if (typeof action === 'string') {
+          if (typeof data[action] === 'undefined') {
+            throw new TypeError("No method named \"" + action + "\"");
+          }
+
+          data[action]();
+        } else if (_config.interval && _config.ride) {
+          data.pause();
+          data.cycle();
+        }
+      });
+    };
+
+    Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
+      var selector = Util__default["default"].getSelectorFromElement(this);
+
+      if (!selector) {
+        return;
+      }
+
+      var target = $__default["default"](selector)[0];
+
+      if (!target || !$__default["default"](target).hasClass(CLASS_NAME_CAROUSEL)) {
+        return;
+      }
+
+      var config = _extends({}, $__default["default"](target).data(), $__default["default"](this).data());
+
+      var slideIndex = this.getAttribute('data-slide-to');
+
+      if (slideIndex) {
+        config.interval = false;
+      }
+
+      Carousel._jQueryInterface.call($__default["default"](target), config);
+
+      if (slideIndex) {
+        $__default["default"](target).data(DATA_KEY).to(slideIndex);
+      }
+
+      event.preventDefault();
+    };
+
+    _createClass(Carousel, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }]);
+
+    return Carousel;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, Carousel._dataApiClickHandler);
+  $__default["default"](window).on(EVENT_LOAD_DATA_API, function () {
+    var carousels = [].slice.call(document.querySelectorAll(SELECTOR_DATA_RIDE));
+
+    for (var i = 0, len = carousels.length; i < len; i++) {
+      var $carousel = $__default["default"](carousels[i]);
+
+      Carousel._jQueryInterface.call($carousel, $carousel.data());
+    }
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Carousel._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Carousel;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Carousel._jQueryInterface;
+  };
+
+  return Carousel;
+
+}));
+//# sourceMappingURL=carousel.js.map

include/thirdparty/Bootstrap4.6/js/collapse.js

@@ -0,0 +1,397 @@
+/*!
+  * Bootstrap collapse.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Collapse = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'collapse';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.collapse';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_NAME_SHOW = 'show';
+  var CLASS_NAME_COLLAPSE = 'collapse';
+  var CLASS_NAME_COLLAPSING = 'collapsing';
+  var CLASS_NAME_COLLAPSED = 'collapsed';
+  var DIMENSION_WIDTH = 'width';
+  var DIMENSION_HEIGHT = 'height';
+  var EVENT_SHOW = "show" + EVENT_KEY;
+  var EVENT_SHOWN = "shown" + EVENT_KEY;
+  var EVENT_HIDE = "hide" + EVENT_KEY;
+  var EVENT_HIDDEN = "hidden" + EVENT_KEY;
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_ACTIVES = '.show, .collapsing';
+  var SELECTOR_DATA_TOGGLE = '[data-toggle="collapse"]';
+  var Default = {
+    toggle: true,
+    parent: ''
+  };
+  var DefaultType = {
+    toggle: 'boolean',
+    parent: '(string|element)'
+  };
+  /**
+   * Class definition
+   */
+
+  var Collapse = /*#__PURE__*/function () {
+    function Collapse(element, config) {
+      this._isTransitioning = false;
+      this._element = element;
+      this._config = this._getConfig(config);
+      this._triggerArray = [].slice.call(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
+      var toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE));
+
+      for (var i = 0, len = toggleList.length; i < len; i++) {
+        var elem = toggleList[i];
+        var selector = Util__default["default"].getSelectorFromElement(elem);
+        var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(function (foundElem) {
+          return foundElem === element;
+        });
+
+        if (selector !== null && filterElement.length > 0) {
+          this._selector = selector;
+
+          this._triggerArray.push(elem);
+        }
+      }
+
+      this._parent = this._config.parent ? this._getParent() : null;
+
+      if (!this._config.parent) {
+        this._addAriaAndCollapsedClass(this._element, this._triggerArray);
+      }
+
+      if (this._config.toggle) {
+        this.toggle();
+      }
+    } // Getters
+
+
+    var _proto = Collapse.prototype;
+
+    // Public
+    _proto.toggle = function toggle() {
+      if ($__default["default"](this._element).hasClass(CLASS_NAME_SHOW)) {
+        this.hide();
+      } else {
+        this.show();
+      }
+    };
+
+    _proto.show = function show() {
+      var _this = this;
+
+      if (this._isTransitioning || $__default["default"](this._element).hasClass(CLASS_NAME_SHOW)) {
+        return;
+      }
+
+      var actives;
+      var activesData;
+
+      if (this._parent) {
+        actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES)).filter(function (elem) {
+          if (typeof _this._config.parent === 'string') {
+            return elem.getAttribute('data-parent') === _this._config.parent;
+          }
+
+          return elem.classList.contains(CLASS_NAME_COLLAPSE);
+        });
+
+        if (actives.length === 0) {
+          actives = null;
+        }
+      }
+
+      if (actives) {
+        activesData = $__default["default"](actives).not(this._selector).data(DATA_KEY);
+
+        if (activesData && activesData._isTransitioning) {
+          return;
+        }
+      }
+
+      var startEvent = $__default["default"].Event(EVENT_SHOW);
+      $__default["default"](this._element).trigger(startEvent);
+
+      if (startEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      if (actives) {
+        Collapse._jQueryInterface.call($__default["default"](actives).not(this._selector), 'hide');
+
+        if (!activesData) {
+          $__default["default"](actives).data(DATA_KEY, null);
+        }
+      }
+
+      var dimension = this._getDimension();
+
+      $__default["default"](this._element).removeClass(CLASS_NAME_COLLAPSE).addClass(CLASS_NAME_COLLAPSING);
+      this._element.style[dimension] = 0;
+
+      if (this._triggerArray.length) {
+        $__default["default"](this._triggerArray).removeClass(CLASS_NAME_COLLAPSED).attr('aria-expanded', true);
+      }
+
+      this.setTransitioning(true);
+
+      var complete = function complete() {
+        $__default["default"](_this._element).removeClass(CLASS_NAME_COLLAPSING).addClass(CLASS_NAME_COLLAPSE + " " + CLASS_NAME_SHOW);
+        _this._element.style[dimension] = '';
+
+        _this.setTransitioning(false);
+
+        $__default["default"](_this._element).trigger(EVENT_SHOWN);
+      };
+
+      var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
+      var scrollSize = "scroll" + capitalizedDimension;
+      var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._element);
+      $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+      this._element.style[dimension] = this._element[scrollSize] + "px";
+    };
+
+    _proto.hide = function hide() {
+      var _this2 = this;
+
+      if (this._isTransitioning || !$__default["default"](this._element).hasClass(CLASS_NAME_SHOW)) {
+        return;
+      }
+
+      var startEvent = $__default["default"].Event(EVENT_HIDE);
+      $__default["default"](this._element).trigger(startEvent);
+
+      if (startEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      var dimension = this._getDimension();
+
+      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
+      Util__default["default"].reflow(this._element);
+      $__default["default"](this._element).addClass(CLASS_NAME_COLLAPSING).removeClass(CLASS_NAME_COLLAPSE + " " + CLASS_NAME_SHOW);
+      var triggerArrayLength = this._triggerArray.length;
+
+      if (triggerArrayLength > 0) {
+        for (var i = 0; i < triggerArrayLength; i++) {
+          var trigger = this._triggerArray[i];
+          var selector = Util__default["default"].getSelectorFromElement(trigger);
+
+          if (selector !== null) {
+            var $elem = $__default["default"]([].slice.call(document.querySelectorAll(selector)));
+
+            if (!$elem.hasClass(CLASS_NAME_SHOW)) {
+              $__default["default"](trigger).addClass(CLASS_NAME_COLLAPSED).attr('aria-expanded', false);
+            }
+          }
+        }
+      }
+
+      this.setTransitioning(true);
+
+      var complete = function complete() {
+        _this2.setTransitioning(false);
+
+        $__default["default"](_this2._element).removeClass(CLASS_NAME_COLLAPSING).addClass(CLASS_NAME_COLLAPSE).trigger(EVENT_HIDDEN);
+      };
+
+      this._element.style[dimension] = '';
+      var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._element);
+      $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+    };
+
+    _proto.setTransitioning = function setTransitioning(isTransitioning) {
+      this._isTransitioning = isTransitioning;
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._config = null;
+      this._parent = null;
+      this._element = null;
+      this._triggerArray = null;
+      this._isTransitioning = null;
+    } // Private
+    ;
+
+    _proto._getConfig = function _getConfig(config) {
+      config = _extends({}, Default, config);
+      config.toggle = Boolean(config.toggle); // Coerce string values
+
+      Util__default["default"].typeCheckConfig(NAME, config, DefaultType);
+      return config;
+    };
+
+    _proto._getDimension = function _getDimension() {
+      var hasWidth = $__default["default"](this._element).hasClass(DIMENSION_WIDTH);
+      return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT;
+    };
+
+    _proto._getParent = function _getParent() {
+      var _this3 = this;
+
+      var parent;
+
+      if (Util__default["default"].isElement(this._config.parent)) {
+        parent = this._config.parent; // It's a jQuery object
+
+        if (typeof this._config.parent.jquery !== 'undefined') {
+          parent = this._config.parent[0];
+        }
+      } else {
+        parent = document.querySelector(this._config.parent);
+      }
+
+      var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
+      var children = [].slice.call(parent.querySelectorAll(selector));
+      $__default["default"](children).each(function (i, element) {
+        _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
+      });
+      return parent;
+    };
+
+    _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
+      var isOpen = $__default["default"](element).hasClass(CLASS_NAME_SHOW);
+
+      if (triggerArray.length) {
+        $__default["default"](triggerArray).toggleClass(CLASS_NAME_COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
+      }
+    } // Static
+    ;
+
+    Collapse._getTargetFromElement = function _getTargetFromElement(element) {
+      var selector = Util__default["default"].getSelectorFromElement(element);
+      return selector ? document.querySelector(selector) : null;
+    };
+
+    Collapse._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var $element = $__default["default"](this);
+        var data = $element.data(DATA_KEY);
+
+        var _config = _extends({}, Default, $element.data(), typeof config === 'object' && config ? config : {});
+
+        if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
+          _config.toggle = false;
+        }
+
+        if (!data) {
+          data = new Collapse(this, _config);
+          $element.data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config]();
+        }
+      });
+    };
+
+    _createClass(Collapse, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }]);
+
+    return Collapse;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
+    if (event.currentTarget.tagName === 'A') {
+      event.preventDefault();
+    }
+
+    var $trigger = $__default["default"](this);
+    var selector = Util__default["default"].getSelectorFromElement(this);
+    var selectors = [].slice.call(document.querySelectorAll(selector));
+    $__default["default"](selectors).each(function () {
+      var $target = $__default["default"](this);
+      var data = $target.data(DATA_KEY);
+      var config = data ? 'toggle' : $trigger.data();
+
+      Collapse._jQueryInterface.call($target, config);
+    });
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Collapse._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Collapse;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Collapse._jQueryInterface;
+  };
+
+  return Collapse;
+
+}));
+//# sourceMappingURL=collapse.js.map

include/thirdparty/Bootstrap4.6/js/dropdown.js

@@ -0,0 +1,560 @@
+/*!
+  * Bootstrap dropdown.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('popper.js'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', 'popper.js', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.jQuery, global.Popper, global.Util));
+})(this, (function ($, Popper, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Popper__default = /*#__PURE__*/_interopDefaultLegacy(Popper);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'dropdown';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.dropdown';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+
+  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
+
+  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
+
+  var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
+
+  var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
+
+  var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
+
+  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE);
+  var CLASS_NAME_DISABLED = 'disabled';
+  var CLASS_NAME_SHOW = 'show';
+  var CLASS_NAME_DROPUP = 'dropup';
+  var CLASS_NAME_DROPRIGHT = 'dropright';
+  var CLASS_NAME_DROPLEFT = 'dropleft';
+  var CLASS_NAME_MENURIGHT = 'dropdown-menu-right';
+  var CLASS_NAME_POSITION_STATIC = 'position-static';
+  var EVENT_HIDE = "hide" + EVENT_KEY;
+  var EVENT_HIDDEN = "hidden" + EVENT_KEY;
+  var EVENT_SHOW = "show" + EVENT_KEY;
+  var EVENT_SHOWN = "shown" + EVENT_KEY;
+  var EVENT_CLICK = "click" + EVENT_KEY;
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var EVENT_KEYDOWN_DATA_API = "keydown" + EVENT_KEY + DATA_API_KEY;
+  var EVENT_KEYUP_DATA_API = "keyup" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_DATA_TOGGLE = '[data-toggle="dropdown"]';
+  var SELECTOR_FORM_CHILD = '.dropdown form';
+  var SELECTOR_MENU = '.dropdown-menu';
+  var SELECTOR_NAVBAR_NAV = '.navbar-nav';
+  var SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
+  var PLACEMENT_TOP = 'top-start';
+  var PLACEMENT_TOPEND = 'top-end';
+  var PLACEMENT_BOTTOM = 'bottom-start';
+  var PLACEMENT_BOTTOMEND = 'bottom-end';
+  var PLACEMENT_RIGHT = 'right-start';
+  var PLACEMENT_LEFT = 'left-start';
+  var Default = {
+    offset: 0,
+    flip: true,
+    boundary: 'scrollParent',
+    reference: 'toggle',
+    display: 'dynamic',
+    popperConfig: null
+  };
+  var DefaultType = {
+    offset: '(number|string|function)',
+    flip: 'boolean',
+    boundary: '(string|element)',
+    reference: '(string|element)',
+    display: 'string',
+    popperConfig: '(null|object)'
+  };
+  /**
+   * Class definition
+   */
+
+  var Dropdown = /*#__PURE__*/function () {
+    function Dropdown(element, config) {
+      this._element = element;
+      this._popper = null;
+      this._config = this._getConfig(config);
+      this._menu = this._getMenuElement();
+      this._inNavbar = this._detectNavbar();
+
+      this._addEventListeners();
+    } // Getters
+
+
+    var _proto = Dropdown.prototype;
+
+    // Public
+    _proto.toggle = function toggle() {
+      if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED)) {
+        return;
+      }
+
+      var isActive = $__default["default"](this._menu).hasClass(CLASS_NAME_SHOW);
+
+      Dropdown._clearMenus();
+
+      if (isActive) {
+        return;
+      }
+
+      this.show(true);
+    };
+
+    _proto.show = function show(usePopper) {
+      if (usePopper === void 0) {
+        usePopper = false;
+      }
+
+      if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED) || $__default["default"](this._menu).hasClass(CLASS_NAME_SHOW)) {
+        return;
+      }
+
+      var relatedTarget = {
+        relatedTarget: this._element
+      };
+      var showEvent = $__default["default"].Event(EVENT_SHOW, relatedTarget);
+
+      var parent = Dropdown._getParentFromElement(this._element);
+
+      $__default["default"](parent).trigger(showEvent);
+
+      if (showEvent.isDefaultPrevented()) {
+        return;
+      } // Totally disable Popper for Dropdowns in Navbar
+
+
+      if (!this._inNavbar && usePopper) {
+        // Check for Popper dependency
+        if (typeof Popper__default["default"] === 'undefined') {
+          throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)');
+        }
+
+        var referenceElement = this._element;
+
+        if (this._config.reference === 'parent') {
+          referenceElement = parent;
+        } else if (Util__default["default"].isElement(this._config.reference)) {
+          referenceElement = this._config.reference; // Check if it's jQuery element
+
+          if (typeof this._config.reference.jquery !== 'undefined') {
+            referenceElement = this._config.reference[0];
+          }
+        } // If boundary is not `scrollParent`, then set position to `static`
+        // to allow the menu to "escape" the scroll parent's boundaries
+        // https://github.com/twbs/bootstrap/issues/24251
+
+
+        if (this._config.boundary !== 'scrollParent') {
+          $__default["default"](parent).addClass(CLASS_NAME_POSITION_STATIC);
+        }
+
+        this._popper = new Popper__default["default"](referenceElement, this._menu, this._getPopperConfig());
+      } // If this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+
+
+      if ('ontouchstart' in document.documentElement && $__default["default"](parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {
+        $__default["default"](document.body).children().on('mouseover', null, $__default["default"].noop);
+      }
+
+      this._element.focus();
+
+      this._element.setAttribute('aria-expanded', true);
+
+      $__default["default"](this._menu).toggleClass(CLASS_NAME_SHOW);
+      $__default["default"](parent).toggleClass(CLASS_NAME_SHOW).trigger($__default["default"].Event(EVENT_SHOWN, relatedTarget));
+    };
+
+    _proto.hide = function hide() {
+      if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED) || !$__default["default"](this._menu).hasClass(CLASS_NAME_SHOW)) {
+        return;
+      }
+
+      var relatedTarget = {
+        relatedTarget: this._element
+      };
+      var hideEvent = $__default["default"].Event(EVENT_HIDE, relatedTarget);
+
+      var parent = Dropdown._getParentFromElement(this._element);
+
+      $__default["default"](parent).trigger(hideEvent);
+
+      if (hideEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      if (this._popper) {
+        this._popper.destroy();
+      }
+
+      $__default["default"](this._menu).toggleClass(CLASS_NAME_SHOW);
+      $__default["default"](parent).toggleClass(CLASS_NAME_SHOW).trigger($__default["default"].Event(EVENT_HIDDEN, relatedTarget));
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"].removeData(this._element, DATA_KEY);
+      $__default["default"](this._element).off(EVENT_KEY);
+      this._element = null;
+      this._menu = null;
+
+      if (this._popper !== null) {
+        this._popper.destroy();
+
+        this._popper = null;
+      }
+    };
+
+    _proto.update = function update() {
+      this._inNavbar = this._detectNavbar();
+
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
+    } // Private
+    ;
+
+    _proto._addEventListeners = function _addEventListeners() {
+      var _this = this;
+
+      $__default["default"](this._element).on(EVENT_CLICK, function (event) {
+        event.preventDefault();
+        event.stopPropagation();
+
+        _this.toggle();
+      });
+    };
+
+    _proto._getConfig = function _getConfig(config) {
+      config = _extends({}, this.constructor.Default, $__default["default"](this._element).data(), config);
+      Util__default["default"].typeCheckConfig(NAME, config, this.constructor.DefaultType);
+      return config;
+    };
+
+    _proto._getMenuElement = function _getMenuElement() {
+      if (!this._menu) {
+        var parent = Dropdown._getParentFromElement(this._element);
+
+        if (parent) {
+          this._menu = parent.querySelector(SELECTOR_MENU);
+        }
+      }
+
+      return this._menu;
+    };
+
+    _proto._getPlacement = function _getPlacement() {
+      var $parentDropdown = $__default["default"](this._element.parentNode);
+      var placement = PLACEMENT_BOTTOM; // Handle dropup
+
+      if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {
+        placement = $__default["default"](this._menu).hasClass(CLASS_NAME_MENURIGHT) ? PLACEMENT_TOPEND : PLACEMENT_TOP;
+      } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {
+        placement = PLACEMENT_RIGHT;
+      } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {
+        placement = PLACEMENT_LEFT;
+      } else if ($__default["default"](this._menu).hasClass(CLASS_NAME_MENURIGHT)) {
+        placement = PLACEMENT_BOTTOMEND;
+      }
+
+      return placement;
+    };
+
+    _proto._detectNavbar = function _detectNavbar() {
+      return $__default["default"](this._element).closest('.navbar').length > 0;
+    };
+
+    _proto._getOffset = function _getOffset() {
+      var _this2 = this;
+
+      var offset = {};
+
+      if (typeof this._config.offset === 'function') {
+        offset.fn = function (data) {
+          data.offsets = _extends({}, data.offsets, _this2._config.offset(data.offsets, _this2._element));
+          return data;
+        };
+      } else {
+        offset.offset = this._config.offset;
+      }
+
+      return offset;
+    };
+
+    _proto._getPopperConfig = function _getPopperConfig() {
+      var popperConfig = {
+        placement: this._getPlacement(),
+        modifiers: {
+          offset: this._getOffset(),
+          flip: {
+            enabled: this._config.flip
+          },
+          preventOverflow: {
+            boundariesElement: this._config.boundary
+          }
+        }
+      }; // Disable Popper if we have a static display
+
+      if (this._config.display === 'static') {
+        popperConfig.modifiers.applyStyle = {
+          enabled: false
+        };
+      }
+
+      return _extends({}, popperConfig, this._config.popperConfig);
+    } // Static
+    ;
+
+    Dropdown._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var data = $__default["default"](this).data(DATA_KEY);
+
+        var _config = typeof config === 'object' ? config : null;
+
+        if (!data) {
+          data = new Dropdown(this, _config);
+          $__default["default"](this).data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config]();
+        }
+      });
+    };
+
+    Dropdown._clearMenus = function _clearMenus(event) {
+      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
+        return;
+      }
+
+      var toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE));
+
+      for (var i = 0, len = toggles.length; i < len; i++) {
+        var parent = Dropdown._getParentFromElement(toggles[i]);
+
+        var context = $__default["default"](toggles[i]).data(DATA_KEY);
+        var relatedTarget = {
+          relatedTarget: toggles[i]
+        };
+
+        if (event && event.type === 'click') {
+          relatedTarget.clickEvent = event;
+        }
+
+        if (!context) {
+          continue;
+        }
+
+        var dropdownMenu = context._menu;
+
+        if (!$__default["default"](parent).hasClass(CLASS_NAME_SHOW)) {
+          continue;
+        }
+
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $__default["default"].contains(parent, event.target)) {
+          continue;
+        }
+
+        var hideEvent = $__default["default"].Event(EVENT_HIDE, relatedTarget);
+        $__default["default"](parent).trigger(hideEvent);
+
+        if (hideEvent.isDefaultPrevented()) {
+          continue;
+        } // If this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+
+
+        if ('ontouchstart' in document.documentElement) {
+          $__default["default"](document.body).children().off('mouseover', null, $__default["default"].noop);
+        }
+
+        toggles[i].setAttribute('aria-expanded', 'false');
+
+        if (context._popper) {
+          context._popper.destroy();
+        }
+
+        $__default["default"](dropdownMenu).removeClass(CLASS_NAME_SHOW);
+        $__default["default"](parent).removeClass(CLASS_NAME_SHOW).trigger($__default["default"].Event(EVENT_HIDDEN, relatedTarget));
+      }
+    };
+
+    Dropdown._getParentFromElement = function _getParentFromElement(element) {
+      var parent;
+      var selector = Util__default["default"].getSelectorFromElement(element);
+
+      if (selector) {
+        parent = document.querySelector(selector);
+      }
+
+      return parent || element.parentNode;
+    } // eslint-disable-next-line complexity
+    ;
+
+    Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
+      // If not input/textarea:
+      //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
+      // If input/textarea:
+      //  - If space key => not a dropdown command
+      //  - If key is other than escape
+      //    - If key is not up or down => not a dropdown command
+      //    - If trigger inside the menu => not a dropdown command
+      if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $__default["default"](event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
+        return;
+      }
+
+      if (this.disabled || $__default["default"](this).hasClass(CLASS_NAME_DISABLED)) {
+        return;
+      }
+
+      var parent = Dropdown._getParentFromElement(this);
+
+      var isActive = $__default["default"](parent).hasClass(CLASS_NAME_SHOW);
+
+      if (!isActive && event.which === ESCAPE_KEYCODE) {
+        return;
+      }
+
+      event.preventDefault();
+      event.stopPropagation();
+
+      if (!isActive || event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE) {
+        if (event.which === ESCAPE_KEYCODE) {
+          $__default["default"](parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus');
+        }
+
+        $__default["default"](this).trigger('click');
+        return;
+      }
+
+      var items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS)).filter(function (item) {
+        return $__default["default"](item).is(':visible');
+      });
+
+      if (items.length === 0) {
+        return;
+      }
+
+      var index = items.indexOf(event.target);
+
+      if (event.which === ARROW_UP_KEYCODE && index > 0) {
+        // Up
+        index--;
+      }
+
+      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
+        // Down
+        index++;
+      }
+
+      if (index < 0) {
+        index = 0;
+      }
+
+      items[index].focus();
+    };
+
+    _createClass(Dropdown, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: "DefaultType",
+      get: function get() {
+        return DefaultType;
+      }
+    }]);
+
+    return Dropdown;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler).on(EVENT_CLICK_DATA_API + " " + EVENT_KEYUP_DATA_API, Dropdown._clearMenus).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+    event.preventDefault();
+    event.stopPropagation();
+
+    Dropdown._jQueryInterface.call($__default["default"](this), 'toggle');
+  }).on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, function (e) {
+    e.stopPropagation();
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Dropdown._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Dropdown;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Dropdown._jQueryInterface;
+  };
+
+  return Dropdown;
+
+}));
+//# sourceMappingURL=dropdown.js.map

include/thirdparty/Bootstrap4.6/js/index.js

@@ -0,0 +1,22 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.0): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+(function ($) {
+  if (typeof $ === 'undefined') {
+    throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
+  }
+
+  var version = $.fn.jquery.split(' ')[0].split('.');
+  var minMajor = 1;
+  var ltMajor = 2;
+  var minMinor = 9;
+  var minPatch = 1;
+  var maxMajor = 4;
+
+  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
+  }
+})($);

include/thirdparty/Bootstrap4.6/js/modal.js

@@ -0,0 +1,663 @@
+/*!
+  * Bootstrap modal.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Modal = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'modal';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.modal';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+
+  var CLASS_NAME_SCROLLABLE = 'modal-dialog-scrollable';
+  var CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure';
+  var CLASS_NAME_BACKDROP = 'modal-backdrop';
+  var CLASS_NAME_OPEN = 'modal-open';
+  var CLASS_NAME_FADE = 'fade';
+  var CLASS_NAME_SHOW = 'show';
+  var CLASS_NAME_STATIC = 'modal-static';
+  var EVENT_HIDE = "hide" + EVENT_KEY;
+  var EVENT_HIDE_PREVENTED = "hidePrevented" + EVENT_KEY;
+  var EVENT_HIDDEN = "hidden" + EVENT_KEY;
+  var EVENT_SHOW = "show" + EVENT_KEY;
+  var EVENT_SHOWN = "shown" + EVENT_KEY;
+  var EVENT_FOCUSIN = "focusin" + EVENT_KEY;
+  var EVENT_RESIZE = "resize" + EVENT_KEY;
+  var EVENT_CLICK_DISMISS = "click.dismiss" + EVENT_KEY;
+  var EVENT_KEYDOWN_DISMISS = "keydown.dismiss" + EVENT_KEY;
+  var EVENT_MOUSEUP_DISMISS = "mouseup.dismiss" + EVENT_KEY;
+  var EVENT_MOUSEDOWN_DISMISS = "mousedown.dismiss" + EVENT_KEY;
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_DIALOG = '.modal-dialog';
+  var SELECTOR_MODAL_BODY = '.modal-body';
+  var SELECTOR_DATA_TOGGLE = '[data-toggle="modal"]';
+  var SELECTOR_DATA_DISMISS = '[data-dismiss="modal"]';
+  var SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
+  var SELECTOR_STICKY_CONTENT = '.sticky-top';
+  var Default = {
+    backdrop: true,
+    keyboard: true,
+    focus: true,
+    show: true
+  };
+  var DefaultType = {
+    backdrop: '(boolean|string)',
+    keyboard: 'boolean',
+    focus: 'boolean',
+    show: 'boolean'
+  };
+  /**
+   * Class definition
+   */
+
+  var Modal = /*#__PURE__*/function () {
+    function Modal(element, config) {
+      this._config = this._getConfig(config);
+      this._element = element;
+      this._dialog = element.querySelector(SELECTOR_DIALOG);
+      this._backdrop = null;
+      this._isShown = false;
+      this._isBodyOverflowing = false;
+      this._ignoreBackdropClick = false;
+      this._isTransitioning = false;
+      this._scrollbarWidth = 0;
+    } // Getters
+
+
+    var _proto = Modal.prototype;
+
+    // Public
+    _proto.toggle = function toggle(relatedTarget) {
+      return this._isShown ? this.hide() : this.show(relatedTarget);
+    };
+
+    _proto.show = function show(relatedTarget) {
+      var _this = this;
+
+      if (this._isShown || this._isTransitioning) {
+        return;
+      }
+
+      var showEvent = $__default["default"].Event(EVENT_SHOW, {
+        relatedTarget: relatedTarget
+      });
+      $__default["default"](this._element).trigger(showEvent);
+
+      if (showEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      this._isShown = true;
+
+      if ($__default["default"](this._element).hasClass(CLASS_NAME_FADE)) {
+        this._isTransitioning = true;
+      }
+
+      this._checkScrollbar();
+
+      this._setScrollbar();
+
+      this._adjustDialog();
+
+      this._setEscapeEvent();
+
+      this._setResizeEvent();
+
+      $__default["default"](this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, function (event) {
+        return _this.hide(event);
+      });
+      $__default["default"](this._dialog).on(EVENT_MOUSEDOWN_DISMISS, function () {
+        $__default["default"](_this._element).one(EVENT_MOUSEUP_DISMISS, function (event) {
+          if ($__default["default"](event.target).is(_this._element)) {
+            _this._ignoreBackdropClick = true;
+          }
+        });
+      });
+
+      this._showBackdrop(function () {
+        return _this._showElement(relatedTarget);
+      });
+    };
+
+    _proto.hide = function hide(event) {
+      var _this2 = this;
+
+      if (event) {
+        event.preventDefault();
+      }
+
+      if (!this._isShown || this._isTransitioning) {
+        return;
+      }
+
+      var hideEvent = $__default["default"].Event(EVENT_HIDE);
+      $__default["default"](this._element).trigger(hideEvent);
+
+      if (!this._isShown || hideEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      this._isShown = false;
+      var transition = $__default["default"](this._element).hasClass(CLASS_NAME_FADE);
+
+      if (transition) {
+        this._isTransitioning = true;
+      }
+
+      this._setEscapeEvent();
+
+      this._setResizeEvent();
+
+      $__default["default"](document).off(EVENT_FOCUSIN);
+      $__default["default"](this._element).removeClass(CLASS_NAME_SHOW);
+      $__default["default"](this._element).off(EVENT_CLICK_DISMISS);
+      $__default["default"](this._dialog).off(EVENT_MOUSEDOWN_DISMISS);
+
+      if (transition) {
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._element);
+        $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, function (event) {
+          return _this2._hideModal(event);
+        }).emulateTransitionEnd(transitionDuration);
+      } else {
+        this._hideModal();
+      }
+    };
+
+    _proto.dispose = function dispose() {
+      [window, this._element, this._dialog].forEach(function (htmlElement) {
+        return $__default["default"](htmlElement).off(EVENT_KEY);
+      });
+      /**
+       * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
+       * Do not move `document` in `htmlElements` array
+       * It will remove `EVENT_CLICK_DATA_API` event that should remain
+       */
+
+      $__default["default"](document).off(EVENT_FOCUSIN);
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._config = null;
+      this._element = null;
+      this._dialog = null;
+      this._backdrop = null;
+      this._isShown = null;
+      this._isBodyOverflowing = null;
+      this._ignoreBackdropClick = null;
+      this._isTransitioning = null;
+      this._scrollbarWidth = null;
+    };
+
+    _proto.handleUpdate = function handleUpdate() {
+      this._adjustDialog();
+    } // Private
+    ;
+
+    _proto._getConfig = function _getConfig(config) {
+      config = _extends({}, Default, config);
+      Util__default["default"].typeCheckConfig(NAME, config, DefaultType);
+      return config;
+    };
+
+    _proto._triggerBackdropTransition = function _triggerBackdropTransition() {
+      var _this3 = this;
+
+      var hideEventPrevented = $__default["default"].Event(EVENT_HIDE_PREVENTED);
+      $__default["default"](this._element).trigger(hideEventPrevented);
+
+      if (hideEventPrevented.isDefaultPrevented()) {
+        return;
+      }
+
+      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
+
+      if (!isModalOverflowing) {
+        this._element.style.overflowY = 'hidden';
+      }
+
+      this._element.classList.add(CLASS_NAME_STATIC);
+
+      var modalTransitionDuration = Util__default["default"].getTransitionDurationFromElement(this._dialog);
+      $__default["default"](this._element).off(Util__default["default"].TRANSITION_END);
+      $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, function () {
+        _this3._element.classList.remove(CLASS_NAME_STATIC);
+
+        if (!isModalOverflowing) {
+          $__default["default"](_this3._element).one(Util__default["default"].TRANSITION_END, function () {
+            _this3._element.style.overflowY = '';
+          }).emulateTransitionEnd(_this3._element, modalTransitionDuration);
+        }
+      }).emulateTransitionEnd(modalTransitionDuration);
+
+      this._element.focus();
+    };
+
+    _proto._showElement = function _showElement(relatedTarget) {
+      var _this4 = this;
+
+      var transition = $__default["default"](this._element).hasClass(CLASS_NAME_FADE);
+      var modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null;
+
+      if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
+        // Don't move modal's DOM position
+        document.body.appendChild(this._element);
+      }
+
+      this._element.style.display = 'block';
+
+      this._element.removeAttribute('aria-hidden');
+
+      this._element.setAttribute('aria-modal', true);
+
+      this._element.setAttribute('role', 'dialog');
+
+      if ($__default["default"](this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {
+        modalBody.scrollTop = 0;
+      } else {
+        this._element.scrollTop = 0;
+      }
+
+      if (transition) {
+        Util__default["default"].reflow(this._element);
+      }
+
+      $__default["default"](this._element).addClass(CLASS_NAME_SHOW);
+
+      if (this._config.focus) {
+        this._enforceFocus();
+      }
+
+      var shownEvent = $__default["default"].Event(EVENT_SHOWN, {
+        relatedTarget: relatedTarget
+      });
+
+      var transitionComplete = function transitionComplete() {
+        if (_this4._config.focus) {
+          _this4._element.focus();
+        }
+
+        _this4._isTransitioning = false;
+        $__default["default"](_this4._element).trigger(shownEvent);
+      };
+
+      if (transition) {
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._dialog);
+        $__default["default"](this._dialog).one(Util__default["default"].TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);
+      } else {
+        transitionComplete();
+      }
+    };
+
+    _proto._enforceFocus = function _enforceFocus() {
+      var _this5 = this;
+
+      $__default["default"](document).off(EVENT_FOCUSIN) // Guard against infinite focus loop
+      .on(EVENT_FOCUSIN, function (event) {
+        if (document !== event.target && _this5._element !== event.target && $__default["default"](_this5._element).has(event.target).length === 0) {
+          _this5._element.focus();
+        }
+      });
+    };
+
+    _proto._setEscapeEvent = function _setEscapeEvent() {
+      var _this6 = this;
+
+      if (this._isShown) {
+        $__default["default"](this._element).on(EVENT_KEYDOWN_DISMISS, function (event) {
+          if (_this6._config.keyboard && event.which === ESCAPE_KEYCODE) {
+            event.preventDefault();
+
+            _this6.hide();
+          } else if (!_this6._config.keyboard && event.which === ESCAPE_KEYCODE) {
+            _this6._triggerBackdropTransition();
+          }
+        });
+      } else if (!this._isShown) {
+        $__default["default"](this._element).off(EVENT_KEYDOWN_DISMISS);
+      }
+    };
+
+    _proto._setResizeEvent = function _setResizeEvent() {
+      var _this7 = this;
+
+      if (this._isShown) {
+        $__default["default"](window).on(EVENT_RESIZE, function (event) {
+          return _this7.handleUpdate(event);
+        });
+      } else {
+        $__default["default"](window).off(EVENT_RESIZE);
+      }
+    };
+
+    _proto._hideModal = function _hideModal() {
+      var _this8 = this;
+
+      this._element.style.display = 'none';
+
+      this._element.setAttribute('aria-hidden', true);
+
+      this._element.removeAttribute('aria-modal');
+
+      this._element.removeAttribute('role');
+
+      this._isTransitioning = false;
+
+      this._showBackdrop(function () {
+        $__default["default"](document.body).removeClass(CLASS_NAME_OPEN);
+
+        _this8._resetAdjustments();
+
+        _this8._resetScrollbar();
+
+        $__default["default"](_this8._element).trigger(EVENT_HIDDEN);
+      });
+    };
+
+    _proto._removeBackdrop = function _removeBackdrop() {
+      if (this._backdrop) {
+        $__default["default"](this._backdrop).remove();
+        this._backdrop = null;
+      }
+    };
+
+    _proto._showBackdrop = function _showBackdrop(callback) {
+      var _this9 = this;
+
+      var animate = $__default["default"](this._element).hasClass(CLASS_NAME_FADE) ? CLASS_NAME_FADE : '';
+
+      if (this._isShown && this._config.backdrop) {
+        this._backdrop = document.createElement('div');
+        this._backdrop.className = CLASS_NAME_BACKDROP;
+
+        if (animate) {
+          this._backdrop.classList.add(animate);
+        }
+
+        $__default["default"](this._backdrop).appendTo(document.body);
+        $__default["default"](this._element).on(EVENT_CLICK_DISMISS, function (event) {
+          if (_this9._ignoreBackdropClick) {
+            _this9._ignoreBackdropClick = false;
+            return;
+          }
+
+          if (event.target !== event.currentTarget) {
+            return;
+          }
+
+          if (_this9._config.backdrop === 'static') {
+            _this9._triggerBackdropTransition();
+          } else {
+            _this9.hide();
+          }
+        });
+
+        if (animate) {
+          Util__default["default"].reflow(this._backdrop);
+        }
+
+        $__default["default"](this._backdrop).addClass(CLASS_NAME_SHOW);
+
+        if (!callback) {
+          return;
+        }
+
+        if (!animate) {
+          callback();
+          return;
+        }
+
+        var backdropTransitionDuration = Util__default["default"].getTransitionDurationFromElement(this._backdrop);
+        $__default["default"](this._backdrop).one(Util__default["default"].TRANSITION_END, callback).emulateTransitionEnd(backdropTransitionDuration);
+      } else if (!this._isShown && this._backdrop) {
+        $__default["default"](this._backdrop).removeClass(CLASS_NAME_SHOW);
+
+        var callbackRemove = function callbackRemove() {
+          _this9._removeBackdrop();
+
+          if (callback) {
+            callback();
+          }
+        };
+
+        if ($__default["default"](this._element).hasClass(CLASS_NAME_FADE)) {
+          var _backdropTransitionDuration = Util__default["default"].getTransitionDurationFromElement(this._backdrop);
+
+          $__default["default"](this._backdrop).one(Util__default["default"].TRANSITION_END, callbackRemove).emulateTransitionEnd(_backdropTransitionDuration);
+        } else {
+          callbackRemove();
+        }
+      } else if (callback) {
+        callback();
+      }
+    } // ----------------------------------------------------------------------
+    // the following methods are used to handle overflowing modals
+    // todo (fat): these should probably be refactored out of modal.js
+    // ----------------------------------------------------------------------
+    ;
+
+    _proto._adjustDialog = function _adjustDialog() {
+      var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
+
+      if (!this._isBodyOverflowing && isModalOverflowing) {
+        this._element.style.paddingLeft = this._scrollbarWidth + "px";
+      }
+
+      if (this._isBodyOverflowing && !isModalOverflowing) {
+        this._element.style.paddingRight = this._scrollbarWidth + "px";
+      }
+    };
+
+    _proto._resetAdjustments = function _resetAdjustments() {
+      this._element.style.paddingLeft = '';
+      this._element.style.paddingRight = '';
+    };
+
+    _proto._checkScrollbar = function _checkScrollbar() {
+      var rect = document.body.getBoundingClientRect();
+      this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth;
+      this._scrollbarWidth = this._getScrollbarWidth();
+    };
+
+    _proto._setScrollbar = function _setScrollbar() {
+      var _this10 = this;
+
+      if (this._isBodyOverflowing) {
+        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+        var fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT));
+        var stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT)); // Adjust fixed content padding
+
+        $__default["default"](fixedContent).each(function (index, element) {
+          var actualPadding = element.style.paddingRight;
+          var calculatedPadding = $__default["default"](element).css('padding-right');
+          $__default["default"](element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this10._scrollbarWidth + "px");
+        }); // Adjust sticky content margin
+
+        $__default["default"](stickyContent).each(function (index, element) {
+          var actualMargin = element.style.marginRight;
+          var calculatedMargin = $__default["default"](element).css('margin-right');
+          $__default["default"](element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this10._scrollbarWidth + "px");
+        }); // Adjust body padding
+
+        var actualPadding = document.body.style.paddingRight;
+        var calculatedPadding = $__default["default"](document.body).css('padding-right');
+        $__default["default"](document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
+      }
+
+      $__default["default"](document.body).addClass(CLASS_NAME_OPEN);
+    };
+
+    _proto._resetScrollbar = function _resetScrollbar() {
+      // Restore fixed content padding
+      var fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT));
+      $__default["default"](fixedContent).each(function (index, element) {
+        var padding = $__default["default"](element).data('padding-right');
+        $__default["default"](element).removeData('padding-right');
+        element.style.paddingRight = padding ? padding : '';
+      }); // Restore sticky content
+
+      var elements = [].slice.call(document.querySelectorAll("" + SELECTOR_STICKY_CONTENT));
+      $__default["default"](elements).each(function (index, element) {
+        var margin = $__default["default"](element).data('margin-right');
+
+        if (typeof margin !== 'undefined') {
+          $__default["default"](element).css('margin-right', margin).removeData('margin-right');
+        }
+      }); // Restore body padding
+
+      var padding = $__default["default"](document.body).data('padding-right');
+      $__default["default"](document.body).removeData('padding-right');
+      document.body.style.paddingRight = padding ? padding : '';
+    };
+
+    _proto._getScrollbarWidth = function _getScrollbarWidth() {
+      // thx d.walsh
+      var scrollDiv = document.createElement('div');
+      scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER;
+      document.body.appendChild(scrollDiv);
+      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
+      document.body.removeChild(scrollDiv);
+      return scrollbarWidth;
+    } // Static
+    ;
+
+    Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) {
+      return this.each(function () {
+        var data = $__default["default"](this).data(DATA_KEY);
+
+        var _config = _extends({}, Default, $__default["default"](this).data(), typeof config === 'object' && config ? config : {});
+
+        if (!data) {
+          data = new Modal(this, _config);
+          $__default["default"](this).data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config](relatedTarget);
+        } else if (_config.show) {
+          data.show(relatedTarget);
+        }
+      });
+    };
+
+    _createClass(Modal, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }]);
+
+    return Modal;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+    var _this11 = this;
+
+    var target;
+    var selector = Util__default["default"].getSelectorFromElement(this);
+
+    if (selector) {
+      target = document.querySelector(selector);
+    }
+
+    var config = $__default["default"](target).data(DATA_KEY) ? 'toggle' : _extends({}, $__default["default"](target).data(), $__default["default"](this).data());
+
+    if (this.tagName === 'A' || this.tagName === 'AREA') {
+      event.preventDefault();
+    }
+
+    var $target = $__default["default"](target).one(EVENT_SHOW, function (showEvent) {
+      if (showEvent.isDefaultPrevented()) {
+        // Only register focus restorer if modal will actually get shown
+        return;
+      }
+
+      $target.one(EVENT_HIDDEN, function () {
+        if ($__default["default"](_this11).is(':visible')) {
+          _this11.focus();
+        }
+      });
+    });
+
+    Modal._jQueryInterface.call($__default["default"](target), config, this);
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Modal._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Modal;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Modal._jQueryInterface;
+  };
+
+  return Modal;
+
+}));
+//# sourceMappingURL=modal.js.map

include/thirdparty/Bootstrap4.6/js/popover.js

@@ -0,0 +1,245 @@
+/*!
+  * Bootstrap popover.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./tooltip.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './tooltip'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Popover = factory(global.jQuery, global.Tooltip));
+})(this, (function ($, Tooltip) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Tooltip__default = /*#__PURE__*/_interopDefaultLegacy(Tooltip);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  function _inheritsLoose(subClass, superClass) {
+    subClass.prototype = Object.create(superClass.prototype);
+    subClass.prototype.constructor = subClass;
+
+    _setPrototypeOf(subClass, superClass);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+    return _setPrototypeOf(o, p);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'popover';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.popover';
+  var EVENT_KEY = "." + DATA_KEY;
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_PREFIX = 'bs-popover';
+  var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
+  var CLASS_NAME_FADE = 'fade';
+  var CLASS_NAME_SHOW = 'show';
+  var SELECTOR_TITLE = '.popover-header';
+  var SELECTOR_CONTENT = '.popover-body';
+
+  var Default = _extends({}, Tooltip__default["default"].Default, {
+    placement: 'right',
+    trigger: 'click',
+    content: '',
+    template: '<div class="popover" role="tooltip">' + '<div class="arrow"></div>' + '<h3 class="popover-header"></h3>' + '<div class="popover-body"></div></div>'
+  });
+
+  var DefaultType = _extends({}, Tooltip__default["default"].DefaultType, {
+    content: '(string|element|function)'
+  });
+
+  var Event = {
+    HIDE: "hide" + EVENT_KEY,
+    HIDDEN: "hidden" + EVENT_KEY,
+    SHOW: "show" + EVENT_KEY,
+    SHOWN: "shown" + EVENT_KEY,
+    INSERTED: "inserted" + EVENT_KEY,
+    CLICK: "click" + EVENT_KEY,
+    FOCUSIN: "focusin" + EVENT_KEY,
+    FOCUSOUT: "focusout" + EVENT_KEY,
+    MOUSEENTER: "mouseenter" + EVENT_KEY,
+    MOUSELEAVE: "mouseleave" + EVENT_KEY
+  };
+  /**
+   * Class definition
+   */
+
+  var Popover = /*#__PURE__*/function (_Tooltip) {
+    _inheritsLoose(Popover, _Tooltip);
+
+    function Popover() {
+      return _Tooltip.apply(this, arguments) || this;
+    }
+
+    var _proto = Popover.prototype;
+
+    // Overrides
+    _proto.isWithContent = function isWithContent() {
+      return this.getTitle() || this._getContent();
+    };
+
+    _proto.addAttachmentClass = function addAttachmentClass(attachment) {
+      $__default["default"](this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
+    };
+
+    _proto.getTipElement = function getTipElement() {
+      this.tip = this.tip || $__default["default"](this.config.template)[0];
+      return this.tip;
+    };
+
+    _proto.setContent = function setContent() {
+      var $tip = $__default["default"](this.getTipElement()); // We use append for html objects to maintain js events
+
+      this.setElementContent($tip.find(SELECTOR_TITLE), this.getTitle());
+
+      var content = this._getContent();
+
+      if (typeof content === 'function') {
+        content = content.call(this.element);
+      }
+
+      this.setElementContent($tip.find(SELECTOR_CONTENT), content);
+      $tip.removeClass(CLASS_NAME_FADE + " " + CLASS_NAME_SHOW);
+    } // Private
+    ;
+
+    _proto._getContent = function _getContent() {
+      return this.element.getAttribute('data-content') || this.config.content;
+    };
+
+    _proto._cleanTipClass = function _cleanTipClass() {
+      var $tip = $__default["default"](this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    } // Static
+    ;
+
+    Popover._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var data = $__default["default"](this).data(DATA_KEY);
+
+        var _config = typeof config === 'object' ? config : null;
+
+        if (!data && /dispose|hide/.test(config)) {
+          return;
+        }
+
+        if (!data) {
+          data = new Popover(this, _config);
+          $__default["default"](this).data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config]();
+        }
+      });
+    };
+
+    _createClass(Popover, null, [{
+      key: "VERSION",
+      get: // Getters
+      function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: "NAME",
+      get: function get() {
+        return NAME;
+      }
+    }, {
+      key: "DATA_KEY",
+      get: function get() {
+        return DATA_KEY;
+      }
+    }, {
+      key: "Event",
+      get: function get() {
+        return Event;
+      }
+    }, {
+      key: "EVENT_KEY",
+      get: function get() {
+        return EVENT_KEY;
+      }
+    }, {
+      key: "DefaultType",
+      get: function get() {
+        return DefaultType;
+      }
+    }]);
+
+    return Popover;
+  }(Tooltip__default["default"]);
+  /**
+   * jQuery
+   */
+
+
+  $__default["default"].fn[NAME] = Popover._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Popover;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Popover._jQueryInterface;
+  };
+
+  return Popover;
+
+}));
+//# sourceMappingURL=popover.js.map

include/thirdparty/Bootstrap4.6/js/scrollspy.js

@@ -0,0 +1,338 @@
+/*!
+  * Bootstrap scrollspy.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.ScrollSpy = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'scrollspy';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.scrollspy';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item';
+  var CLASS_NAME_ACTIVE = 'active';
+  var EVENT_ACTIVATE = "activate" + EVENT_KEY;
+  var EVENT_SCROLL = "scroll" + EVENT_KEY;
+  var EVENT_LOAD_DATA_API = "load" + EVENT_KEY + DATA_API_KEY;
+  var METHOD_OFFSET = 'offset';
+  var METHOD_POSITION = 'position';
+  var SELECTOR_DATA_SPY = '[data-spy="scroll"]';
+  var SELECTOR_NAV_LIST_GROUP = '.nav, .list-group';
+  var SELECTOR_NAV_LINKS = '.nav-link';
+  var SELECTOR_NAV_ITEMS = '.nav-item';
+  var SELECTOR_LIST_ITEMS = '.list-group-item';
+  var SELECTOR_DROPDOWN = '.dropdown';
+  var SELECTOR_DROPDOWN_ITEMS = '.dropdown-item';
+  var SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
+  var Default = {
+    offset: 10,
+    method: 'auto',
+    target: ''
+  };
+  var DefaultType = {
+    offset: 'number',
+    method: 'string',
+    target: '(string|element)'
+  };
+  /**
+   * Class definition
+   */
+
+  var ScrollSpy = /*#__PURE__*/function () {
+    function ScrollSpy(element, config) {
+      var _this = this;
+
+      this._element = element;
+      this._scrollElement = element.tagName === 'BODY' ? window : element;
+      this._config = this._getConfig(config);
+      this._selector = this._config.target + " " + SELECTOR_NAV_LINKS + "," + (this._config.target + " " + SELECTOR_LIST_ITEMS + ",") + (this._config.target + " " + SELECTOR_DROPDOWN_ITEMS);
+      this._offsets = [];
+      this._targets = [];
+      this._activeTarget = null;
+      this._scrollHeight = 0;
+      $__default["default"](this._scrollElement).on(EVENT_SCROLL, function (event) {
+        return _this._process(event);
+      });
+      this.refresh();
+
+      this._process();
+    } // Getters
+
+
+    var _proto = ScrollSpy.prototype;
+
+    // Public
+    _proto.refresh = function refresh() {
+      var _this2 = this;
+
+      var autoMethod = this._scrollElement === this._scrollElement.window ? METHOD_OFFSET : METHOD_POSITION;
+      var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
+      var offsetBase = offsetMethod === METHOD_POSITION ? this._getScrollTop() : 0;
+      this._offsets = [];
+      this._targets = [];
+      this._scrollHeight = this._getScrollHeight();
+      var targets = [].slice.call(document.querySelectorAll(this._selector));
+      targets.map(function (element) {
+        var target;
+        var targetSelector = Util__default["default"].getSelectorFromElement(element);
+
+        if (targetSelector) {
+          target = document.querySelector(targetSelector);
+        }
+
+        if (target) {
+          var targetBCR = target.getBoundingClientRect();
+
+          if (targetBCR.width || targetBCR.height) {
+            // TODO (fat): remove sketch reliance on jQuery position/offset
+            return [$__default["default"](target)[offsetMethod]().top + offsetBase, targetSelector];
+          }
+        }
+
+        return null;
+      }).filter(Boolean).sort(function (a, b) {
+        return a[0] - b[0];
+      }).forEach(function (item) {
+        _this2._offsets.push(item[0]);
+
+        _this2._targets.push(item[1]);
+      });
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"].removeData(this._element, DATA_KEY);
+      $__default["default"](this._scrollElement).off(EVENT_KEY);
+      this._element = null;
+      this._scrollElement = null;
+      this._config = null;
+      this._selector = null;
+      this._offsets = null;
+      this._targets = null;
+      this._activeTarget = null;
+      this._scrollHeight = null;
+    } // Private
+    ;
+
+    _proto._getConfig = function _getConfig(config) {
+      config = _extends({}, Default, typeof config === 'object' && config ? config : {});
+
+      if (typeof config.target !== 'string' && Util__default["default"].isElement(config.target)) {
+        var id = $__default["default"](config.target).attr('id');
+
+        if (!id) {
+          id = Util__default["default"].getUID(NAME);
+          $__default["default"](config.target).attr('id', id);
+        }
+
+        config.target = "#" + id;
+      }
+
+      Util__default["default"].typeCheckConfig(NAME, config, DefaultType);
+      return config;
+    };
+
+    _proto._getScrollTop = function _getScrollTop() {
+      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
+    };
+
+    _proto._getScrollHeight = function _getScrollHeight() {
+      return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
+    };
+
+    _proto._getOffsetHeight = function _getOffsetHeight() {
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
+    };
+
+    _proto._process = function _process() {
+      var scrollTop = this._getScrollTop() + this._config.offset;
+
+      var scrollHeight = this._getScrollHeight();
+
+      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
+
+      if (this._scrollHeight !== scrollHeight) {
+        this.refresh();
+      }
+
+      if (scrollTop >= maxScroll) {
+        var target = this._targets[this._targets.length - 1];
+
+        if (this._activeTarget !== target) {
+          this._activate(target);
+        }
+
+        return;
+      }
+
+      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
+        this._activeTarget = null;
+
+        this._clear();
+
+        return;
+      }
+
+      for (var i = this._offsets.length; i--;) {
+        var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
+
+        if (isActiveTarget) {
+          this._activate(this._targets[i]);
+        }
+      }
+    };
+
+    _proto._activate = function _activate(target) {
+      this._activeTarget = target;
+
+      this._clear();
+
+      var queries = this._selector.split(',').map(function (selector) {
+        return selector + "[data-target=\"" + target + "\"]," + selector + "[href=\"" + target + "\"]";
+      });
+
+      var $link = $__default["default"]([].slice.call(document.querySelectorAll(queries.join(','))));
+
+      if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {
+        $link.closest(SELECTOR_DROPDOWN).find(SELECTOR_DROPDOWN_TOGGLE).addClass(CLASS_NAME_ACTIVE);
+        $link.addClass(CLASS_NAME_ACTIVE);
+      } else {
+        // Set triggered link as active
+        $link.addClass(CLASS_NAME_ACTIVE); // Set triggered links parents as active
+        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+
+        $link.parents(SELECTOR_NAV_LIST_GROUP).prev(SELECTOR_NAV_LINKS + ", " + SELECTOR_LIST_ITEMS).addClass(CLASS_NAME_ACTIVE); // Handle special case when .nav-link is inside .nav-item
+
+        $link.parents(SELECTOR_NAV_LIST_GROUP).prev(SELECTOR_NAV_ITEMS).children(SELECTOR_NAV_LINKS).addClass(CLASS_NAME_ACTIVE);
+      }
+
+      $__default["default"](this._scrollElement).trigger(EVENT_ACTIVATE, {
+        relatedTarget: target
+      });
+    };
+
+    _proto._clear = function _clear() {
+      [].slice.call(document.querySelectorAll(this._selector)).filter(function (node) {
+        return node.classList.contains(CLASS_NAME_ACTIVE);
+      }).forEach(function (node) {
+        return node.classList.remove(CLASS_NAME_ACTIVE);
+      });
+    } // Static
+    ;
+
+    ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var data = $__default["default"](this).data(DATA_KEY);
+
+        var _config = typeof config === 'object' && config;
+
+        if (!data) {
+          data = new ScrollSpy(this, _config);
+          $__default["default"](this).data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config]();
+        }
+      });
+    };
+
+    _createClass(ScrollSpy, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }]);
+
+    return ScrollSpy;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](window).on(EVENT_LOAD_DATA_API, function () {
+    var scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY));
+    var scrollSpysLength = scrollSpys.length;
+
+    for (var i = scrollSpysLength; i--;) {
+      var $spy = $__default["default"](scrollSpys[i]);
+
+      ScrollSpy._jQueryInterface.call($spy, $spy.data());
+    }
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = ScrollSpy._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = ScrollSpy;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return ScrollSpy._jQueryInterface;
+  };
+
+  return ScrollSpy;
+
+}));
+//# sourceMappingURL=scrollspy.js.map

include/thirdparty/Bootstrap4.6/js/tab.js

@@ -0,0 +1,263 @@
+/*!
+  * Bootstrap tab.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'tab';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.tab';
+  var EVENT_KEY = "." + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu';
+  var CLASS_NAME_ACTIVE = 'active';
+  var CLASS_NAME_DISABLED = 'disabled';
+  var CLASS_NAME_FADE = 'fade';
+  var CLASS_NAME_SHOW = 'show';
+  var EVENT_HIDE = "hide" + EVENT_KEY;
+  var EVENT_HIDDEN = "hidden" + EVENT_KEY;
+  var EVENT_SHOW = "show" + EVENT_KEY;
+  var EVENT_SHOWN = "shown" + EVENT_KEY;
+  var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
+  var SELECTOR_DROPDOWN = '.dropdown';
+  var SELECTOR_NAV_LIST_GROUP = '.nav, .list-group';
+  var SELECTOR_ACTIVE = '.active';
+  var SELECTOR_ACTIVE_UL = '> li > .active';
+  var SELECTOR_DATA_TOGGLE = '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]';
+  var SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
+  var SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active';
+  /**
+   * Class definition
+   */
+
+  var Tab = /*#__PURE__*/function () {
+    function Tab(element) {
+      this._element = element;
+    } // Getters
+
+
+    var _proto = Tab.prototype;
+
+    // Public
+    _proto.show = function show() {
+      var _this = this;
+
+      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $__default["default"](this._element).hasClass(CLASS_NAME_ACTIVE) || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED) || this._element.hasAttribute('disabled')) {
+        return;
+      }
+
+      var target;
+      var previous;
+      var listElement = $__default["default"](this._element).closest(SELECTOR_NAV_LIST_GROUP)[0];
+      var selector = Util__default["default"].getSelectorFromElement(this._element);
+
+      if (listElement) {
+        var itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE;
+        previous = $__default["default"].makeArray($__default["default"](listElement).find(itemSelector));
+        previous = previous[previous.length - 1];
+      }
+
+      var hideEvent = $__default["default"].Event(EVENT_HIDE, {
+        relatedTarget: this._element
+      });
+      var showEvent = $__default["default"].Event(EVENT_SHOW, {
+        relatedTarget: previous
+      });
+
+      if (previous) {
+        $__default["default"](previous).trigger(hideEvent);
+      }
+
+      $__default["default"](this._element).trigger(showEvent);
+
+      if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      if (selector) {
+        target = document.querySelector(selector);
+      }
+
+      this._activate(this._element, listElement);
+
+      var complete = function complete() {
+        var hiddenEvent = $__default["default"].Event(EVENT_HIDDEN, {
+          relatedTarget: _this._element
+        });
+        var shownEvent = $__default["default"].Event(EVENT_SHOWN, {
+          relatedTarget: previous
+        });
+        $__default["default"](previous).trigger(hiddenEvent);
+        $__default["default"](_this._element).trigger(shownEvent);
+      };
+
+      if (target) {
+        this._activate(target, target.parentNode, complete);
+      } else {
+        complete();
+      }
+    };
+
+    _proto.dispose = function dispose() {
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._element = null;
+    } // Private
+    ;
+
+    _proto._activate = function _activate(element, container, callback) {
+      var _this2 = this;
+
+      var activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL') ? $__default["default"](container).find(SELECTOR_ACTIVE_UL) : $__default["default"](container).children(SELECTOR_ACTIVE);
+      var active = activeElements[0];
+      var isTransitioning = callback && active && $__default["default"](active).hasClass(CLASS_NAME_FADE);
+
+      var complete = function complete() {
+        return _this2._transitionComplete(element, active, callback);
+      };
+
+      if (active && isTransitioning) {
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(active);
+        $__default["default"](active).removeClass(CLASS_NAME_SHOW).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+      } else {
+        complete();
+      }
+    };
+
+    _proto._transitionComplete = function _transitionComplete(element, active, callback) {
+      if (active) {
+        $__default["default"](active).removeClass(CLASS_NAME_ACTIVE);
+        var dropdownChild = $__default["default"](active.parentNode).find(SELECTOR_DROPDOWN_ACTIVE_CHILD)[0];
+
+        if (dropdownChild) {
+          $__default["default"](dropdownChild).removeClass(CLASS_NAME_ACTIVE);
+        }
+
+        if (active.getAttribute('role') === 'tab') {
+          active.setAttribute('aria-selected', false);
+        }
+      }
+
+      $__default["default"](element).addClass(CLASS_NAME_ACTIVE);
+
+      if (element.getAttribute('role') === 'tab') {
+        element.setAttribute('aria-selected', true);
+      }
+
+      Util__default["default"].reflow(element);
+
+      if (element.classList.contains(CLASS_NAME_FADE)) {
+        element.classList.add(CLASS_NAME_SHOW);
+      }
+
+      var parent = element.parentNode;
+
+      if (parent && parent.nodeName === 'LI') {
+        parent = parent.parentNode;
+      }
+
+      if (parent && $__default["default"](parent).hasClass(CLASS_NAME_DROPDOWN_MENU)) {
+        var dropdownElement = $__default["default"](element).closest(SELECTOR_DROPDOWN)[0];
+
+        if (dropdownElement) {
+          var dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE));
+          $__default["default"](dropdownToggleList).addClass(CLASS_NAME_ACTIVE);
+        }
+
+        element.setAttribute('aria-expanded', true);
+      }
+
+      if (callback) {
+        callback();
+      }
+    } // Static
+    ;
+
+    Tab._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var $this = $__default["default"](this);
+        var data = $this.data(DATA_KEY);
+
+        if (!data) {
+          data = new Tab(this);
+          $this.data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config]();
+        }
+      });
+    };
+
+    _createClass(Tab, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }]);
+
+    return Tab;
+  }();
+  /**
+   * Data API implementation
+   */
+
+
+  $__default["default"](document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
+    event.preventDefault();
+
+    Tab._jQueryInterface.call($__default["default"](this), 'show');
+  });
+  /**
+   * jQuery
+   */
+
+  $__default["default"].fn[NAME] = Tab._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Tab;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Tab._jQueryInterface;
+  };
+
+  return Tab;
+
+}));
+//# sourceMappingURL=tab.js.map

include/thirdparty/Bootstrap4.6/js/toast.js

@@ -0,0 +1,268 @@
+/*!
+  * Bootstrap toast.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Toast = factory(global.jQuery, global.Util));
+})(this, (function ($, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'toast';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.toast';
+  var EVENT_KEY = "." + DATA_KEY;
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_NAME_FADE = 'fade';
+  var CLASS_NAME_HIDE = 'hide';
+  var CLASS_NAME_SHOW = 'show';
+  var CLASS_NAME_SHOWING = 'showing';
+  var EVENT_CLICK_DISMISS = "click.dismiss" + EVENT_KEY;
+  var EVENT_HIDE = "hide" + EVENT_KEY;
+  var EVENT_HIDDEN = "hidden" + EVENT_KEY;
+  var EVENT_SHOW = "show" + EVENT_KEY;
+  var EVENT_SHOWN = "shown" + EVENT_KEY;
+  var SELECTOR_DATA_DISMISS = '[data-dismiss="toast"]';
+  var Default = {
+    animation: true,
+    autohide: true,
+    delay: 500
+  };
+  var DefaultType = {
+    animation: 'boolean',
+    autohide: 'boolean',
+    delay: 'number'
+  };
+  /**
+   * Class definition
+   */
+
+  var Toast = /*#__PURE__*/function () {
+    function Toast(element, config) {
+      this._element = element;
+      this._config = this._getConfig(config);
+      this._timeout = null;
+
+      this._setListeners();
+    } // Getters
+
+
+    var _proto = Toast.prototype;
+
+    // Public
+    _proto.show = function show() {
+      var _this = this;
+
+      var showEvent = $__default["default"].Event(EVENT_SHOW);
+      $__default["default"](this._element).trigger(showEvent);
+
+      if (showEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      this._clearTimeout();
+
+      if (this._config.animation) {
+        this._element.classList.add(CLASS_NAME_FADE);
+      }
+
+      var complete = function complete() {
+        _this._element.classList.remove(CLASS_NAME_SHOWING);
+
+        _this._element.classList.add(CLASS_NAME_SHOW);
+
+        $__default["default"](_this._element).trigger(EVENT_SHOWN);
+
+        if (_this._config.autohide) {
+          _this._timeout = setTimeout(function () {
+            _this.hide();
+          }, _this._config.delay);
+        }
+      };
+
+      this._element.classList.remove(CLASS_NAME_HIDE);
+
+      Util__default["default"].reflow(this._element);
+
+      this._element.classList.add(CLASS_NAME_SHOWING);
+
+      if (this._config.animation) {
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._element);
+        $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+      } else {
+        complete();
+      }
+    };
+
+    _proto.hide = function hide() {
+      if (!this._element.classList.contains(CLASS_NAME_SHOW)) {
+        return;
+      }
+
+      var hideEvent = $__default["default"].Event(EVENT_HIDE);
+      $__default["default"](this._element).trigger(hideEvent);
+
+      if (hideEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      this._close();
+    };
+
+    _proto.dispose = function dispose() {
+      this._clearTimeout();
+
+      if (this._element.classList.contains(CLASS_NAME_SHOW)) {
+        this._element.classList.remove(CLASS_NAME_SHOW);
+      }
+
+      $__default["default"](this._element).off(EVENT_CLICK_DISMISS);
+      $__default["default"].removeData(this._element, DATA_KEY);
+      this._element = null;
+      this._config = null;
+    } // Private
+    ;
+
+    _proto._getConfig = function _getConfig(config) {
+      config = _extends({}, Default, $__default["default"](this._element).data(), typeof config === 'object' && config ? config : {});
+      Util__default["default"].typeCheckConfig(NAME, config, this.constructor.DefaultType);
+      return config;
+    };
+
+    _proto._setListeners = function _setListeners() {
+      var _this2 = this;
+
+      $__default["default"](this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, function () {
+        return _this2.hide();
+      });
+    };
+
+    _proto._close = function _close() {
+      var _this3 = this;
+
+      var complete = function complete() {
+        _this3._element.classList.add(CLASS_NAME_HIDE);
+
+        $__default["default"](_this3._element).trigger(EVENT_HIDDEN);
+      };
+
+      this._element.classList.remove(CLASS_NAME_SHOW);
+
+      if (this._config.animation) {
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this._element);
+        $__default["default"](this._element).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+      } else {
+        complete();
+      }
+    };
+
+    _proto._clearTimeout = function _clearTimeout() {
+      clearTimeout(this._timeout);
+      this._timeout = null;
+    } // Static
+    ;
+
+    Toast._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var $element = $__default["default"](this);
+        var data = $element.data(DATA_KEY);
+
+        var _config = typeof config === 'object' && config;
+
+        if (!data) {
+          data = new Toast(this, _config);
+          $element.data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config](this);
+        }
+      });
+    };
+
+    _createClass(Toast, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "DefaultType",
+      get: function get() {
+        return DefaultType;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }]);
+
+    return Toast;
+  }();
+  /**
+   * jQuery
+   */
+
+
+  $__default["default"].fn[NAME] = Toast._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Toast;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Toast._jQueryInterface;
+  };
+
+  return Toast;
+
+}));
+//# sourceMappingURL=toast.js.map

include/thirdparty/Bootstrap4.6/js/tools/sanitizer.js

@@ -0,0 +1,128 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.6.2): tools/sanitizer.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const uriAttrs = [
+  'background',
+  'cite',
+  'href',
+  'itemtype',
+  'longdesc',
+  'poster',
+  'src',
+  'xlink:href'
+]
+
+const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
+
+export const DefaultWhitelist = {
+  // Global attributes allowed on any supplied element below.
+  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
+  a: ['target', 'href', 'title', 'rel'],
+  area: [],
+  b: [],
+  br: [],
+  col: [],
+  code: [],
+  div: [],
+  em: [],
+  hr: [],
+  h1: [],
+  h2: [],
+  h3: [],
+  h4: [],
+  h5: [],
+  h6: [],
+  i: [],
+  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
+  li: [],
+  ol: [],
+  p: [],
+  pre: [],
+  s: [],
+  small: [],
+  span: [],
+  sub: [],
+  sup: [],
+  strong: [],
+  u: [],
+  ul: []
+}
+
+/**
+ * A pattern that recognizes a commonly useful subset of URLs that are safe.
+ *
+ * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i
+
+/**
+ * A pattern that matches safe data URLs. Only matches image, video and audio types.
+ *
+ * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+ */
+const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i
+
+function allowedAttribute(attr, allowedAttributeList) {
+  const attrName = attr.nodeName.toLowerCase()
+
+  if (allowedAttributeList.indexOf(attrName) !== -1) {
+    if (uriAttrs.indexOf(attrName) !== -1) {
+      return Boolean(SAFE_URL_PATTERN.test(attr.nodeValue) || DATA_URL_PATTERN.test(attr.nodeValue))
+    }
+
+    return true
+  }
+
+  const regExp = allowedAttributeList.filter(attrRegex => attrRegex instanceof RegExp)
+
+  // Check if a regular expression validates the attribute.
+  for (let i = 0, len = regExp.length; i < len; i++) {
+    if (regExp[i].test(attrName)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+export function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
+  if (unsafeHtml.length === 0) {
+    return unsafeHtml
+  }
+
+  if (sanitizeFn && typeof sanitizeFn === 'function') {
+    return sanitizeFn(unsafeHtml)
+  }
+
+  const domParser = new window.DOMParser()
+  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')
+  const whitelistKeys = Object.keys(whiteList)
+  const elements = [].slice.call(createdDocument.body.querySelectorAll('*'))
+
+  for (let i = 0, len = elements.length; i < len; i++) {
+    const el = elements[i]
+    const elName = el.nodeName.toLowerCase()
+
+    if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {
+      el.parentNode.removeChild(el)
+
+      continue
+    }
+
+    const attributeList = [].slice.call(el.attributes)
+    // eslint-disable-next-line unicorn/prefer-spread
+    const whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])
+
+    attributeList.forEach(attr => {
+      if (!allowedAttribute(attr, whitelistedAttributes)) {
+        el.removeAttribute(attr.nodeName)
+      }
+    })
+  }
+
+  return createdDocument.body.innerHTML
+}

include/thirdparty/Bootstrap4.6/js/tooltip.js

@@ -0,0 +1,889 @@
+/*!
+  * Bootstrap tooltip.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('popper.js'), require('./util.js')) :
+  typeof define === 'function' && define.amd ? define(['jquery', 'popper.js', './util'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tooltip = factory(global.jQuery, global.Popper, global.Util));
+})(this, (function ($, Popper, Util) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+  var Popper__default = /*#__PURE__*/_interopDefaultLegacy(Popper);
+  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign ? Object.assign.bind() : function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+    return _extends.apply(this, arguments);
+  }
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.6.2): tools/sanitizer.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+  var uriAttrs = ['background', 'cite', 'href', 'itemtype', 'longdesc', 'poster', 'src', 'xlink:href'];
+  var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i;
+  var DefaultWhitelist = {
+    // Global attributes allowed on any supplied element below.
+    '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
+    a: ['target', 'href', 'title', 'rel'],
+    area: [],
+    b: [],
+    br: [],
+    col: [],
+    code: [],
+    div: [],
+    em: [],
+    hr: [],
+    h1: [],
+    h2: [],
+    h3: [],
+    h4: [],
+    h5: [],
+    h6: [],
+    i: [],
+    img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
+    li: [],
+    ol: [],
+    p: [],
+    pre: [],
+    s: [],
+    small: [],
+    span: [],
+    sub: [],
+    sup: [],
+    strong: [],
+    u: [],
+    ul: []
+  };
+  /**
+   * A pattern that recognizes a commonly useful subset of URLs that are safe.
+   *
+   * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+   */
+
+  var SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^#&/:?]*(?:[#/?]|$))/i;
+  /**
+   * A pattern that matches safe data URLs. Only matches image, video and audio types.
+   *
+   * Shoutout to Angular https://github.com/angular/angular/blob/12.2.x/packages/core/src/sanitization/url_sanitizer.ts
+   */
+
+  var DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i;
+
+  function allowedAttribute(attr, allowedAttributeList) {
+    var attrName = attr.nodeName.toLowerCase();
+
+    if (allowedAttributeList.indexOf(attrName) !== -1) {
+      if (uriAttrs.indexOf(attrName) !== -1) {
+        return Boolean(SAFE_URL_PATTERN.test(attr.nodeValue) || DATA_URL_PATTERN.test(attr.nodeValue));
+      }
+
+      return true;
+    }
+
+    var regExp = allowedAttributeList.filter(function (attrRegex) {
+      return attrRegex instanceof RegExp;
+    }); // Check if a regular expression validates the attribute.
+
+    for (var i = 0, len = regExp.length; i < len; i++) {
+      if (regExp[i].test(attrName)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
+    if (unsafeHtml.length === 0) {
+      return unsafeHtml;
+    }
+
+    if (sanitizeFn && typeof sanitizeFn === 'function') {
+      return sanitizeFn(unsafeHtml);
+    }
+
+    var domParser = new window.DOMParser();
+    var createdDocument = domParser.parseFromString(unsafeHtml, 'text/html');
+    var whitelistKeys = Object.keys(whiteList);
+    var elements = [].slice.call(createdDocument.body.querySelectorAll('*'));
+
+    var _loop = function _loop(i, len) {
+      var el = elements[i];
+      var elName = el.nodeName.toLowerCase();
+
+      if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {
+        el.parentNode.removeChild(el);
+        return "continue";
+      }
+
+      var attributeList = [].slice.call(el.attributes); // eslint-disable-next-line unicorn/prefer-spread
+
+      var whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || []);
+      attributeList.forEach(function (attr) {
+        if (!allowedAttribute(attr, whitelistedAttributes)) {
+          el.removeAttribute(attr.nodeName);
+        }
+      });
+    };
+
+    for (var i = 0, len = elements.length; i < len; i++) {
+      var _ret = _loop(i);
+
+      if (_ret === "continue") continue;
+    }
+
+    return createdDocument.body.innerHTML;
+  }
+
+  /**
+   * Constants
+   */
+
+  var NAME = 'tooltip';
+  var VERSION = '4.6.2';
+  var DATA_KEY = 'bs.tooltip';
+  var EVENT_KEY = "." + DATA_KEY;
+  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];
+  var CLASS_PREFIX = 'bs-tooltip';
+  var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
+  var DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn'];
+  var CLASS_NAME_FADE = 'fade';
+  var CLASS_NAME_SHOW = 'show';
+  var HOVER_STATE_SHOW = 'show';
+  var HOVER_STATE_OUT = 'out';
+  var SELECTOR_TOOLTIP_INNER = '.tooltip-inner';
+  var SELECTOR_ARROW = '.arrow';
+  var TRIGGER_HOVER = 'hover';
+  var TRIGGER_FOCUS = 'focus';
+  var TRIGGER_CLICK = 'click';
+  var TRIGGER_MANUAL = 'manual';
+  var AttachmentMap = {
+    AUTO: 'auto',
+    TOP: 'top',
+    RIGHT: 'right',
+    BOTTOM: 'bottom',
+    LEFT: 'left'
+  };
+  var Default = {
+    animation: true,
+    template: '<div class="tooltip" role="tooltip">' + '<div class="arrow"></div>' + '<div class="tooltip-inner"></div></div>',
+    trigger: 'hover focus',
+    title: '',
+    delay: 0,
+    html: false,
+    selector: false,
+    placement: 'top',
+    offset: 0,
+    container: false,
+    fallbackPlacement: 'flip',
+    boundary: 'scrollParent',
+    customClass: '',
+    sanitize: true,
+    sanitizeFn: null,
+    whiteList: DefaultWhitelist,
+    popperConfig: null
+  };
+  var DefaultType = {
+    animation: 'boolean',
+    template: 'string',
+    title: '(string|element|function)',
+    trigger: 'string',
+    delay: '(number|object)',
+    html: 'boolean',
+    selector: '(string|boolean)',
+    placement: '(string|function)',
+    offset: '(number|string|function)',
+    container: '(string|element|boolean)',
+    fallbackPlacement: '(string|array)',
+    boundary: '(string|element)',
+    customClass: '(string|function)',
+    sanitize: 'boolean',
+    sanitizeFn: '(null|function)',
+    whiteList: 'object',
+    popperConfig: '(null|object)'
+  };
+  var Event = {
+    HIDE: "hide" + EVENT_KEY,
+    HIDDEN: "hidden" + EVENT_KEY,
+    SHOW: "show" + EVENT_KEY,
+    SHOWN: "shown" + EVENT_KEY,
+    INSERTED: "inserted" + EVENT_KEY,
+    CLICK: "click" + EVENT_KEY,
+    FOCUSIN: "focusin" + EVENT_KEY,
+    FOCUSOUT: "focusout" + EVENT_KEY,
+    MOUSEENTER: "mouseenter" + EVENT_KEY,
+    MOUSELEAVE: "mouseleave" + EVENT_KEY
+  };
+  /**
+   * Class definition
+   */
+
+  var Tooltip = /*#__PURE__*/function () {
+    function Tooltip(element, config) {
+      if (typeof Popper__default["default"] === 'undefined') {
+        throw new TypeError('Bootstrap\'s tooltips require Popper (https://popper.js.org)');
+      } // Private
+
+
+      this._isEnabled = true;
+      this._timeout = 0;
+      this._hoverState = '';
+      this._activeTrigger = {};
+      this._popper = null; // Protected
+
+      this.element = element;
+      this.config = this._getConfig(config);
+      this.tip = null;
+
+      this._setListeners();
+    } // Getters
+
+
+    var _proto = Tooltip.prototype;
+
+    // Public
+    _proto.enable = function enable() {
+      this._isEnabled = true;
+    };
+
+    _proto.disable = function disable() {
+      this._isEnabled = false;
+    };
+
+    _proto.toggleEnabled = function toggleEnabled() {
+      this._isEnabled = !this._isEnabled;
+    };
+
+    _proto.toggle = function toggle(event) {
+      if (!this._isEnabled) {
+        return;
+      }
+
+      if (event) {
+        var dataKey = this.constructor.DATA_KEY;
+        var context = $__default["default"](event.currentTarget).data(dataKey);
+
+        if (!context) {
+          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+          $__default["default"](event.currentTarget).data(dataKey, context);
+        }
+
+        context._activeTrigger.click = !context._activeTrigger.click;
+
+        if (context._isWithActiveTrigger()) {
+          context._enter(null, context);
+        } else {
+          context._leave(null, context);
+        }
+      } else {
+        if ($__default["default"](this.getTipElement()).hasClass(CLASS_NAME_SHOW)) {
+          this._leave(null, this);
+
+          return;
+        }
+
+        this._enter(null, this);
+      }
+    };
+
+    _proto.dispose = function dispose() {
+      clearTimeout(this._timeout);
+      $__default["default"].removeData(this.element, this.constructor.DATA_KEY);
+      $__default["default"](this.element).off(this.constructor.EVENT_KEY);
+      $__default["default"](this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler);
+
+      if (this.tip) {
+        $__default["default"](this.tip).remove();
+      }
+
+      this._isEnabled = null;
+      this._timeout = null;
+      this._hoverState = null;
+      this._activeTrigger = null;
+
+      if (this._popper) {
+        this._popper.destroy();
+      }
+
+      this._popper = null;
+      this.element = null;
+      this.config = null;
+      this.tip = null;
+    };
+
+    _proto.show = function show() {
+      var _this = this;
+
+      if ($__default["default"](this.element).css('display') === 'none') {
+        throw new Error('Please use show on visible elements');
+      }
+
+      var showEvent = $__default["default"].Event(this.constructor.Event.SHOW);
+
+      if (this.isWithContent() && this._isEnabled) {
+        $__default["default"](this.element).trigger(showEvent);
+        var shadowRoot = Util__default["default"].findShadowRoot(this.element);
+        var isInTheDom = $__default["default"].contains(shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement, this.element);
+
+        if (showEvent.isDefaultPrevented() || !isInTheDom) {
+          return;
+        }
+
+        var tip = this.getTipElement();
+        var tipId = Util__default["default"].getUID(this.constructor.NAME);
+        tip.setAttribute('id', tipId);
+        this.element.setAttribute('aria-describedby', tipId);
+        this.setContent();
+
+        if (this.config.animation) {
+          $__default["default"](tip).addClass(CLASS_NAME_FADE);
+        }
+
+        var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
+
+        var attachment = this._getAttachment(placement);
+
+        this.addAttachmentClass(attachment);
+
+        var container = this._getContainer();
+
+        $__default["default"](tip).data(this.constructor.DATA_KEY, this);
+
+        if (!$__default["default"].contains(this.element.ownerDocument.documentElement, this.tip)) {
+          $__default["default"](tip).appendTo(container);
+        }
+
+        $__default["default"](this.element).trigger(this.constructor.Event.INSERTED);
+        this._popper = new Popper__default["default"](this.element, tip, this._getPopperConfig(attachment));
+        $__default["default"](tip).addClass(CLASS_NAME_SHOW);
+        $__default["default"](tip).addClass(this.config.customClass); // If this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+
+        if ('ontouchstart' in document.documentElement) {
+          $__default["default"](document.body).children().on('mouseover', null, $__default["default"].noop);
+        }
+
+        var complete = function complete() {
+          if (_this.config.animation) {
+            _this._fixTransition();
+          }
+
+          var prevHoverState = _this._hoverState;
+          _this._hoverState = null;
+          $__default["default"](_this.element).trigger(_this.constructor.Event.SHOWN);
+
+          if (prevHoverState === HOVER_STATE_OUT) {
+            _this._leave(null, _this);
+          }
+        };
+
+        if ($__default["default"](this.tip).hasClass(CLASS_NAME_FADE)) {
+          var transitionDuration = Util__default["default"].getTransitionDurationFromElement(this.tip);
+          $__default["default"](this.tip).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+        } else {
+          complete();
+        }
+      }
+    };
+
+    _proto.hide = function hide(callback) {
+      var _this2 = this;
+
+      var tip = this.getTipElement();
+      var hideEvent = $__default["default"].Event(this.constructor.Event.HIDE);
+
+      var complete = function complete() {
+        if (_this2._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {
+          tip.parentNode.removeChild(tip);
+        }
+
+        _this2._cleanTipClass();
+
+        _this2.element.removeAttribute('aria-describedby');
+
+        $__default["default"](_this2.element).trigger(_this2.constructor.Event.HIDDEN);
+
+        if (_this2._popper !== null) {
+          _this2._popper.destroy();
+        }
+
+        if (callback) {
+          callback();
+        }
+      };
+
+      $__default["default"](this.element).trigger(hideEvent);
+
+      if (hideEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      $__default["default"](tip).removeClass(CLASS_NAME_SHOW); // If this is a touch-enabled device we remove the extra
+      // empty mouseover listeners we added for iOS support
+
+      if ('ontouchstart' in document.documentElement) {
+        $__default["default"](document.body).children().off('mouseover', null, $__default["default"].noop);
+      }
+
+      this._activeTrigger[TRIGGER_CLICK] = false;
+      this._activeTrigger[TRIGGER_FOCUS] = false;
+      this._activeTrigger[TRIGGER_HOVER] = false;
+
+      if ($__default["default"](this.tip).hasClass(CLASS_NAME_FADE)) {
+        var transitionDuration = Util__default["default"].getTransitionDurationFromElement(tip);
+        $__default["default"](tip).one(Util__default["default"].TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+      } else {
+        complete();
+      }
+
+      this._hoverState = '';
+    };
+
+    _proto.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
+    } // Protected
+    ;
+
+    _proto.isWithContent = function isWithContent() {
+      return Boolean(this.getTitle());
+    };
+
+    _proto.addAttachmentClass = function addAttachmentClass(attachment) {
+      $__default["default"](this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
+    };
+
+    _proto.getTipElement = function getTipElement() {
+      this.tip = this.tip || $__default["default"](this.config.template)[0];
+      return this.tip;
+    };
+
+    _proto.setContent = function setContent() {
+      var tip = this.getTipElement();
+      this.setElementContent($__default["default"](tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle());
+      $__default["default"](tip).removeClass(CLASS_NAME_FADE + " " + CLASS_NAME_SHOW);
+    };
+
+    _proto.setElementContent = function setElementContent($element, content) {
+      if (typeof content === 'object' && (content.nodeType || content.jquery)) {
+        // Content is a DOM node or a jQuery
+        if (this.config.html) {
+          if (!$__default["default"](content).parent().is($element)) {
+            $element.empty().append(content);
+          }
+        } else {
+          $element.text($__default["default"](content).text());
+        }
+
+        return;
+      }
+
+      if (this.config.html) {
+        if (this.config.sanitize) {
+          content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn);
+        }
+
+        $element.html(content);
+      } else {
+        $element.text(content);
+      }
+    };
+
+    _proto.getTitle = function getTitle() {
+      var title = this.element.getAttribute('data-original-title');
+
+      if (!title) {
+        title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
+      }
+
+      return title;
+    } // Private
+    ;
+
+    _proto._getPopperConfig = function _getPopperConfig(attachment) {
+      var _this3 = this;
+
+      var defaultBsConfig = {
+        placement: attachment,
+        modifiers: {
+          offset: this._getOffset(),
+          flip: {
+            behavior: this.config.fallbackPlacement
+          },
+          arrow: {
+            element: SELECTOR_ARROW
+          },
+          preventOverflow: {
+            boundariesElement: this.config.boundary
+          }
+        },
+        onCreate: function onCreate(data) {
+          if (data.originalPlacement !== data.placement) {
+            _this3._handlePopperPlacementChange(data);
+          }
+        },
+        onUpdate: function onUpdate(data) {
+          return _this3._handlePopperPlacementChange(data);
+        }
+      };
+      return _extends({}, defaultBsConfig, this.config.popperConfig);
+    };
+
+    _proto._getOffset = function _getOffset() {
+      var _this4 = this;
+
+      var offset = {};
+
+      if (typeof this.config.offset === 'function') {
+        offset.fn = function (data) {
+          data.offsets = _extends({}, data.offsets, _this4.config.offset(data.offsets, _this4.element));
+          return data;
+        };
+      } else {
+        offset.offset = this.config.offset;
+      }
+
+      return offset;
+    };
+
+    _proto._getContainer = function _getContainer() {
+      if (this.config.container === false) {
+        return document.body;
+      }
+
+      if (Util__default["default"].isElement(this.config.container)) {
+        return $__default["default"](this.config.container);
+      }
+
+      return $__default["default"](document).find(this.config.container);
+    };
+
+    _proto._getAttachment = function _getAttachment(placement) {
+      return AttachmentMap[placement.toUpperCase()];
+    };
+
+    _proto._setListeners = function _setListeners() {
+      var _this5 = this;
+
+      var triggers = this.config.trigger.split(' ');
+      triggers.forEach(function (trigger) {
+        if (trigger === 'click') {
+          $__default["default"](_this5.element).on(_this5.constructor.Event.CLICK, _this5.config.selector, function (event) {
+            return _this5.toggle(event);
+          });
+        } else if (trigger !== TRIGGER_MANUAL) {
+          var eventIn = trigger === TRIGGER_HOVER ? _this5.constructor.Event.MOUSEENTER : _this5.constructor.Event.FOCUSIN;
+          var eventOut = trigger === TRIGGER_HOVER ? _this5.constructor.Event.MOUSELEAVE : _this5.constructor.Event.FOCUSOUT;
+          $__default["default"](_this5.element).on(eventIn, _this5.config.selector, function (event) {
+            return _this5._enter(event);
+          }).on(eventOut, _this5.config.selector, function (event) {
+            return _this5._leave(event);
+          });
+        }
+      });
+
+      this._hideModalHandler = function () {
+        if (_this5.element) {
+          _this5.hide();
+        }
+      };
+
+      $__default["default"](this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler);
+
+      if (this.config.selector) {
+        this.config = _extends({}, this.config, {
+          trigger: 'manual',
+          selector: ''
+        });
+      } else {
+        this._fixTitle();
+      }
+    };
+
+    _proto._fixTitle = function _fixTitle() {
+      var titleType = typeof this.element.getAttribute('data-original-title');
+
+      if (this.element.getAttribute('title') || titleType !== 'string') {
+        this.element.setAttribute('data-original-title', this.element.getAttribute('title') || '');
+        this.element.setAttribute('title', '');
+      }
+    };
+
+    _proto._enter = function _enter(event, context) {
+      var dataKey = this.constructor.DATA_KEY;
+      context = context || $__default["default"](event.currentTarget).data(dataKey);
+
+      if (!context) {
+        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+        $__default["default"](event.currentTarget).data(dataKey, context);
+      }
+
+      if (event) {
+        context._activeTrigger[event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER] = true;
+      }
+
+      if ($__default["default"](context.getTipElement()).hasClass(CLASS_NAME_SHOW) || context._hoverState === HOVER_STATE_SHOW) {
+        context._hoverState = HOVER_STATE_SHOW;
+        return;
+      }
+
+      clearTimeout(context._timeout);
+      context._hoverState = HOVER_STATE_SHOW;
+
+      if (!context.config.delay || !context.config.delay.show) {
+        context.show();
+        return;
+      }
+
+      context._timeout = setTimeout(function () {
+        if (context._hoverState === HOVER_STATE_SHOW) {
+          context.show();
+        }
+      }, context.config.delay.show);
+    };
+
+    _proto._leave = function _leave(event, context) {
+      var dataKey = this.constructor.DATA_KEY;
+      context = context || $__default["default"](event.currentTarget).data(dataKey);
+
+      if (!context) {
+        context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+        $__default["default"](event.currentTarget).data(dataKey, context);
+      }
+
+      if (event) {
+        context._activeTrigger[event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER] = false;
+      }
+
+      if (context._isWithActiveTrigger()) {
+        return;
+      }
+
+      clearTimeout(context._timeout);
+      context._hoverState = HOVER_STATE_OUT;
+
+      if (!context.config.delay || !context.config.delay.hide) {
+        context.hide();
+        return;
+      }
+
+      context._timeout = setTimeout(function () {
+        if (context._hoverState === HOVER_STATE_OUT) {
+          context.hide();
+        }
+      }, context.config.delay.hide);
+    };
+
+    _proto._isWithActiveTrigger = function _isWithActiveTrigger() {
+      for (var trigger in this._activeTrigger) {
+        if (this._activeTrigger[trigger]) {
+          return true;
+        }
+      }
+
+      return false;
+    };
+
+    _proto._getConfig = function _getConfig(config) {
+      var dataAttributes = $__default["default"](this.element).data();
+      Object.keys(dataAttributes).forEach(function (dataAttr) {
+        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {
+          delete dataAttributes[dataAttr];
+        }
+      });
+      config = _extends({}, this.constructor.Default, dataAttributes, typeof config === 'object' && config ? config : {});
+
+      if (typeof config.delay === 'number') {
+        config.delay = {
+          show: config.delay,
+          hide: config.delay
+        };
+      }
+
+      if (typeof config.title === 'number') {
+        config.title = config.title.toString();
+      }
+
+      if (typeof config.content === 'number') {
+        config.content = config.content.toString();
+      }
+
+      Util__default["default"].typeCheckConfig(NAME, config, this.constructor.DefaultType);
+
+      if (config.sanitize) {
+        config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn);
+      }
+
+      return config;
+    };
+
+    _proto._getDelegateConfig = function _getDelegateConfig() {
+      var config = {};
+
+      if (this.config) {
+        for (var key in this.config) {
+          if (this.constructor.Default[key] !== this.config[key]) {
+            config[key] = this.config[key];
+          }
+        }
+      }
+
+      return config;
+    };
+
+    _proto._cleanTipClass = function _cleanTipClass() {
+      var $tip = $__default["default"](this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+
+      if (tabClass !== null && tabClass.length) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
+    _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(popperData) {
+      this.tip = popperData.instance.popper;
+
+      this._cleanTipClass();
+
+      this.addAttachmentClass(this._getAttachment(popperData.placement));
+    };
+
+    _proto._fixTransition = function _fixTransition() {
+      var tip = this.getTipElement();
+      var initConfigAnimation = this.config.animation;
+
+      if (tip.getAttribute('x-placement') !== null) {
+        return;
+      }
+
+      $__default["default"](tip).removeClass(CLASS_NAME_FADE);
+      this.config.animation = false;
+      this.hide();
+      this.show();
+      this.config.animation = initConfigAnimation;
+    } // Static
+    ;
+
+    Tooltip._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var $element = $__default["default"](this);
+        var data = $element.data(DATA_KEY);
+
+        var _config = typeof config === 'object' && config;
+
+        if (!data && /dispose|hide/.test(config)) {
+          return;
+        }
+
+        if (!data) {
+          data = new Tooltip(this, _config);
+          $element.data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (typeof data[config] === 'undefined') {
+            throw new TypeError("No method named \"" + config + "\"");
+          }
+
+          data[config]();
+        }
+      });
+    };
+
+    _createClass(Tooltip, null, [{
+      key: "VERSION",
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: "Default",
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: "NAME",
+      get: function get() {
+        return NAME;
+      }
+    }, {
+      key: "DATA_KEY",
+      get: function get() {
+        return DATA_KEY;
+      }
+    }, {
+      key: "Event",
+      get: function get() {
+        return Event;
+      }
+    }, {
+      key: "EVENT_KEY",
+      get: function get() {
+        return EVENT_KEY;
+      }
+    }, {
+      key: "DefaultType",
+      get: function get() {
+        return DefaultType;
+      }
+    }]);
+
+    return Tooltip;
+  }();
+  /**
+   * jQuery
+   */
+
+
+  $__default["default"].fn[NAME] = Tooltip._jQueryInterface;
+  $__default["default"].fn[NAME].Constructor = Tooltip;
+
+  $__default["default"].fn[NAME].noConflict = function () {
+    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;
+    return Tooltip._jQueryInterface;
+  };
+
+  return Tooltip;
+
+}));
+//# sourceMappingURL=tooltip.js.map

include/thirdparty/Bootstrap4.6/js/util.js

@@ -0,0 +1,190 @@
+/*!
+  * Bootstrap util.js v4.6.2 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery')) :
+  typeof define === 'function' && define.amd ? define(['jquery'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Util = factory(global.jQuery));
+})(this, (function ($) { 'use strict';
+
+  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+  var $__default = /*#__PURE__*/_interopDefaultLegacy($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.6.2): util.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+  /**
+   * Private TransitionEnd Helpers
+   */
+
+  var TRANSITION_END = 'transitionend';
+  var MAX_UID = 1000000;
+  var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
+
+  function toType(obj) {
+    if (obj === null || typeof obj === 'undefined') {
+      return "" + obj;
+    }
+
+    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
+  }
+
+  function getSpecialTransitionEndEvent() {
+    return {
+      bindType: TRANSITION_END,
+      delegateType: TRANSITION_END,
+      handle: function handle(event) {
+        if ($__default["default"](event.target).is(this)) {
+          return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
+        }
+
+        return undefined;
+      }
+    };
+  }
+
+  function transitionEndEmulator(duration) {
+    var _this = this;
+
+    var called = false;
+    $__default["default"](this).one(Util.TRANSITION_END, function () {
+      called = true;
+    });
+    setTimeout(function () {
+      if (!called) {
+        Util.triggerTransitionEnd(_this);
+      }
+    }, duration);
+    return this;
+  }
+
+  function setTransitionEndSupport() {
+    $__default["default"].fn.emulateTransitionEnd = transitionEndEmulator;
+    $__default["default"].event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
+  }
+  /**
+   * Public Util API
+   */
+
+
+  var Util = {
+    TRANSITION_END: 'bsTransitionEnd',
+    getUID: function getUID(prefix) {
+      do {
+        // eslint-disable-next-line no-bitwise
+        prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
+      } while (document.getElementById(prefix));
+
+      return prefix;
+    },
+    getSelectorFromElement: function getSelectorFromElement(element) {
+      var selector = element.getAttribute('data-target');
+
+      if (!selector || selector === '#') {
+        var hrefAttr = element.getAttribute('href');
+        selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '';
+      }
+
+      try {
+        return document.querySelector(selector) ? selector : null;
+      } catch (_) {
+        return null;
+      }
+    },
+    getTransitionDurationFromElement: function getTransitionDurationFromElement(element) {
+      if (!element) {
+        return 0;
+      } // Get transition-duration of the element
+
+
+      var transitionDuration = $__default["default"](element).css('transition-duration');
+      var transitionDelay = $__default["default"](element).css('transition-delay');
+      var floatTransitionDuration = parseFloat(transitionDuration);
+      var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found
+
+      if (!floatTransitionDuration && !floatTransitionDelay) {
+        return 0;
+      } // If multiple durations are defined, take the first
+
+
+      transitionDuration = transitionDuration.split(',')[0];
+      transitionDelay = transitionDelay.split(',')[0];
+      return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
+    },
+    reflow: function reflow(element) {
+      return element.offsetHeight;
+    },
+    triggerTransitionEnd: function triggerTransitionEnd(element) {
+      $__default["default"](element).trigger(TRANSITION_END);
+    },
+    supportsTransitionEnd: function supportsTransitionEnd() {
+      return Boolean(TRANSITION_END);
+    },
+    isElement: function isElement(obj) {
+      return (obj[0] || obj).nodeType;
+    },
+    typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
+      for (var property in configTypes) {
+        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
+          var expectedTypes = configTypes[property];
+          var value = config[property];
+          var valueType = value && Util.isElement(value) ? 'element' : toType(value);
+
+          if (!new RegExp(expectedTypes).test(valueType)) {
+            throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
+          }
+        }
+      }
+    },
+    findShadowRoot: function findShadowRoot(element) {
+      if (!document.documentElement.attachShadow) {
+        return null;
+      } // Can find the shadow root otherwise it'll return the document
+
+
+      if (typeof element.getRootNode === 'function') {
+        var root = element.getRootNode();
+        return root instanceof ShadowRoot ? root : null;
+      }
+
+      if (element instanceof ShadowRoot) {
+        return element;
+      } // when we don't find a shadow root
+
+
+      if (!element.parentNode) {
+        return null;
+      }
+
+      return Util.findShadowRoot(element.parentNode);
+    },
+    jQueryDetection: function jQueryDetection() {
+      if (typeof $__default["default"] === 'undefined') {
+        throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
+      }
+
+      var version = $__default["default"].fn.jquery.split(' ')[0].split('.');
+      var minMajor = 1;
+      var ltMajor = 2;
+      var minMinor = 9;
+      var minPatch = 1;
+      var maxMajor = 4;
+
+      if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+        throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
+      }
+    }
+  };
+  Util.jQueryDetection();
+  setTransitionEndSupport();
+
+  return Util;
+
+}));
+//# sourceMappingURL=util.js.map

include/thirdparty/Bootstrap4.6/scss/_bootstrap.scss

@@ -0,0 +1,48 @@
+/*!
+ * Bootstrap v4.6.2 (https://getbootstrap.com/)
+ * Copyright 2011-2019 The Bootstrap Authors
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
+
+@import "bootstrap/functions";
+@import "bootstrap/variables";
+@import "bootstrap/mixins";
+
+@import "bootstrap/root";
+@import "bootstrap/reboot";
+
+@import "bootstrap/type";
+@import "bootstrap/images";
+@import "bootstrap/code";
+@import "bootstrap/grid";
+@import "bootstrap/tables";
+@import "bootstrap/forms";
+@import "bootstrap/buttons";
+
+@import "bootstrap/transitions";
+@import "bootstrap/dropdown";
+@import "bootstrap/button-group";
+@import "bootstrap/input-group";
+@import "bootstrap/custom-forms";
+@import "bootstrap/nav";
+@import "bootstrap/navbar";
+@import "bootstrap/card";
+@import "bootstrap/breadcrumb";
+@import "bootstrap/pagination";
+@import "bootstrap/badge";
+@import "bootstrap/jumbotron";
+@import "bootstrap/alert";
+@import "bootstrap/progress";
+@import "bootstrap/media";
+@import "bootstrap/list-group";
+@import "bootstrap/close";
+
+@import "bootstrap/toasts";
+@import "bootstrap/modal";
+@import "bootstrap/tooltip";
+@import "bootstrap/popover";
+@import "bootstrap/carousel";
+@import "bootstrap/spinners";
+@import "bootstrap/utilities";
+@import "bootstrap/print";

include/thirdparty/Bootstrap4.6/scss/bootstrap/_alert.scss

@@ -0,0 +1,52 @@
+//
+// Base styles
+//
+
+.alert {
+  position: relative;
+  padding: $alert-padding-y $alert-padding-x;
+  margin-bottom: $alert-margin-bottom;
+  border: $alert-border-width solid transparent;
+  @include border-radius($alert-border-radius);
+}
+
+// Headings for larger alerts
+.alert-heading {
+  // Specified to prevent conflicts of changing $headings-color
+  color: inherit;
+}
+
+// Provide class for links that match alerts
+.alert-link {
+  font-weight: $alert-link-font-weight;
+}
+
+
+// Dismissible alerts
+//
+// Expand the right padding and account for the close button's positioning.
+
+.alert-dismissible {
+  padding-right: $close-font-size + $alert-padding-x * 2;
+
+  // Adjust close link position
+  .close {
+    position: absolute;
+    top: 0;
+    right: 0;
+    z-index: 2;
+    padding: $alert-padding-y $alert-padding-x;
+    color: inherit;
+  }
+}
+
+
+// Alternate styles
+//
+// Generate contextual modifier classes for colorizing the alert.
+
+@each $color, $value in $theme-colors {
+  .alert-#{$color} {
+    @include alert-variant(theme-color-level($color, $alert-bg-level), theme-color-level($color, $alert-border-level), theme-color-level($color, $alert-color-level));
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_badge.scss

@@ -0,0 +1,54 @@
+// Base class
+//
+// Requires one of the contextual, color modifier classes for `color` and
+// `background-color`.
+
+.badge {
+  display: inline-block;
+  padding: $badge-padding-y $badge-padding-x;
+  @include font-size($badge-font-size);
+  font-weight: $badge-font-weight;
+  line-height: 1;
+  text-align: center;
+  white-space: nowrap;
+  vertical-align: baseline;
+  @include border-radius($badge-border-radius);
+  @include transition($badge-transition);
+
+  @at-root a#{&} {
+    @include hover-focus() {
+      text-decoration: none;
+    }
+  }
+
+  // Empty badges collapse automatically
+  &:empty {
+    display: none;
+  }
+}
+
+// Quick fix for badges in buttons
+.btn .badge {
+  position: relative;
+  top: -1px;
+}
+
+// Pill badges
+//
+// Make them extra rounded with a modifier to replace v3's badges.
+
+.badge-pill {
+  padding-right: $badge-pill-padding-x;
+  padding-left: $badge-pill-padding-x;
+  @include border-radius($badge-pill-border-radius);
+}
+
+// Colors
+//
+// Contextual variations (linked badges get darker on :hover).
+
+@each $color, $value in $theme-colors {
+  .badge-#{$color} {
+    @include badge-variant($value);
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_breadcrumb.scss

@@ -0,0 +1,42 @@
+.breadcrumb {
+  display: flex;
+  flex-wrap: wrap;
+  padding: $breadcrumb-padding-y $breadcrumb-padding-x;
+  margin-bottom: $breadcrumb-margin-bottom;
+  @include font-size($breadcrumb-font-size);
+  list-style: none;
+  background-color: $breadcrumb-bg;
+  @include border-radius($breadcrumb-border-radius);
+}
+
+.breadcrumb-item {
+  // The separator between breadcrumbs (by default, a forward-slash: "/")
+  + .breadcrumb-item {
+    padding-left: $breadcrumb-item-padding;
+
+    &::before {
+      float: left; // Suppress inline spacings and underlining of the separator
+      padding-right: $breadcrumb-item-padding;
+      color: $breadcrumb-divider-color;
+      content: escape-svg($breadcrumb-divider);
+    }
+  }
+
+  // IE9-11 hack to properly handle hyperlink underlines for breadcrumbs built
+  // without `<ul>`s. The `::before` pseudo-element generates an element
+  // *within* the .breadcrumb-item and thereby inherits the `text-decoration`.
+  //
+  // To trick IE into suppressing the underline, we give the pseudo-element an
+  // underline and then immediately remove it.
+  + .breadcrumb-item:hover::before {
+    text-decoration: underline;
+  }
+  // stylelint-disable-next-line no-duplicate-selectors
+  + .breadcrumb-item:hover::before {
+    text-decoration: none;
+  }
+
+  &.active {
+    color: $breadcrumb-active-color;
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_button-group.scss

@@ -0,0 +1,163 @@
+// stylelint-disable selector-no-qualifying-type
+
+// Make the div behave like a button
+.btn-group,
+.btn-group-vertical {
+  position: relative;
+  display: inline-flex;
+  vertical-align: middle; // match .btn alignment given font-size hack above
+
+  > .btn {
+    position: relative;
+    flex: 1 1 auto;
+
+    // Bring the hover, focused, and "active" buttons to the front to overlay
+    // the borders properly
+    @include hover() {
+      z-index: 1;
+    }
+    &:focus,
+    &:active,
+    &.active {
+      z-index: 1;
+    }
+  }
+}
+
+// Optional: Group multiple button groups together for a toolbar
+.btn-toolbar {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: flex-start;
+
+  .input-group {
+    width: auto;
+  }
+}
+
+.btn-group {
+  // Prevent double borders when buttons are next to each other
+  > .btn:not(:first-child),
+  > .btn-group:not(:first-child) {
+    margin-left: -$btn-border-width;
+  }
+
+  // Reset rounded corners
+  > .btn:not(:last-child):not(.dropdown-toggle),
+  > .btn-group:not(:last-child) > .btn {
+    @include border-right-radius(0);
+  }
+
+  > .btn:not(:first-child),
+  > .btn-group:not(:first-child) > .btn {
+    @include border-left-radius(0);
+  }
+}
+
+// Sizing
+//
+// Remix the default button sizing classes into new ones for easier manipulation.
+
+.btn-group-sm > .btn { @extend .btn-sm; }
+.btn-group-lg > .btn { @extend .btn-lg; }
+
+
+//
+// Split button dropdowns
+//
+
+.dropdown-toggle-split {
+  padding-right: $btn-padding-x * .75;
+  padding-left: $btn-padding-x * .75;
+
+  &::after,
+  .dropup &::after,
+  .dropright &::after {
+    margin-left: 0;
+  }
+
+  .dropleft &::before {
+    margin-right: 0;
+  }
+}
+
+.btn-sm + .dropdown-toggle-split {
+  padding-right: $btn-padding-x-sm * .75;
+  padding-left: $btn-padding-x-sm * .75;
+}
+
+.btn-lg + .dropdown-toggle-split {
+  padding-right: $btn-padding-x-lg * .75;
+  padding-left: $btn-padding-x-lg * .75;
+}
+
+
+// The clickable button for toggling the menu
+// Set the same inset shadow as the :active state
+.btn-group.show .dropdown-toggle {
+  @include box-shadow($btn-active-box-shadow);
+
+  // Show no shadow for `.btn-link` since it has no other button styles.
+  &.btn-link {
+    @include box-shadow(none);
+  }
+}
+
+
+//
+// Vertical button groups
+//
+
+.btn-group-vertical {
+  flex-direction: column;
+  align-items: flex-start;
+  justify-content: center;
+
+  > .btn,
+  > .btn-group {
+    width: 100%;
+  }
+
+  > .btn:not(:first-child),
+  > .btn-group:not(:first-child) {
+    margin-top: -$btn-border-width;
+  }
+
+  // Reset rounded corners
+  > .btn:not(:last-child):not(.dropdown-toggle),
+  > .btn-group:not(:last-child) > .btn {
+    @include border-bottom-radius(0);
+  }
+
+  > .btn:not(:first-child),
+  > .btn-group:not(:first-child) > .btn {
+    @include border-top-radius(0);
+  }
+}
+
+
+// Checkbox and radio options
+//
+// In order to support the browser's form validation feedback, powered by the
+// `required` attribute, we have to "hide" the inputs via `clip`. We cannot use
+// `display: none;` or `visibility: hidden;` as that also hides the popover.
+// Simply visually hiding the inputs via `opacity` would leave them clickable in
+// certain cases which is prevented by using `clip` and `pointer-events`.
+// This way, we ensure a DOM element is visible to position the popover from.
+//
+// See https://github.com/twbs/bootstrap/pull/12794 and
+// https://github.com/twbs/bootstrap/pull/14559 for more information.
+
+.btn-group-toggle {
+  > .btn,
+  > .btn-group > .btn {
+    margin-bottom: 0; // Override default `<label>` value
+
+    input[type="radio"],
+    input[type="checkbox"] {
+      position: absolute;
+      clip: rect(0, 0, 0, 0);
+      pointer-events: none;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_buttons.scss

@@ -0,0 +1,142 @@
+// stylelint-disable selector-no-qualifying-type
+
+//
+// Base styles
+//
+
+.btn {
+  display: inline-block;
+  font-family: $btn-font-family;
+  font-weight: $btn-font-weight;
+  color: $body-color;
+  text-align: center;
+  text-decoration: if($link-decoration == none, null, none);
+  white-space: $btn-white-space;
+  vertical-align: middle;
+  user-select: none;
+  background-color: transparent;
+  border: $btn-border-width solid transparent;
+  @include button-size($btn-padding-y, $btn-padding-x, $btn-font-size, $btn-line-height, $btn-border-radius);
+  @include transition($btn-transition);
+
+  @include hover() {
+    color: $body-color;
+    text-decoration: none;
+  }
+
+  &:focus,
+  &.focus {
+    outline: 0;
+    box-shadow: $btn-focus-box-shadow;
+  }
+
+  // Disabled comes first so active can properly restyle
+  &.disabled,
+  &:disabled {
+    opacity: $btn-disabled-opacity;
+    @include box-shadow(none);
+  }
+
+  &:not(:disabled):not(.disabled) {
+    cursor: if($enable-pointer-cursor-for-buttons, pointer, null);
+
+    &:active,
+    &.active {
+      @include box-shadow($btn-active-box-shadow);
+
+      &:focus {
+        @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+      }
+    }
+  }
+}
+
+// Future-proof disabling of clicks on `<a>` elements
+a.btn.disabled,
+fieldset:disabled a.btn {
+  pointer-events: none;
+}
+
+
+//
+// Alternate buttons
+//
+
+@each $color, $value in $theme-colors {
+  .btn-#{$color} {
+    @include button-variant($value, $value);
+  }
+}
+
+@each $color, $value in $theme-colors {
+  .btn-outline-#{$color} {
+    @include button-outline-variant($value);
+  }
+}
+
+
+//
+// Link buttons
+//
+
+// Make a button look and behave like a link
+.btn-link {
+  font-weight: $font-weight-normal;
+  color: $link-color;
+  text-decoration: $link-decoration;
+
+  @include hover() {
+    color: $link-hover-color;
+    text-decoration: $link-hover-decoration;
+  }
+
+  &:focus,
+  &.focus {
+    text-decoration: $link-hover-decoration;
+  }
+
+  &:disabled,
+  &.disabled {
+    color: $btn-link-disabled-color;
+    pointer-events: none;
+  }
+
+  // No need for an active state here
+}
+
+
+//
+// Button Sizes
+//
+
+.btn-lg {
+  @include button-size($btn-padding-y-lg, $btn-padding-x-lg, $btn-font-size-lg, $btn-line-height-lg, $btn-border-radius-lg);
+}
+
+.btn-sm {
+  @include button-size($btn-padding-y-sm, $btn-padding-x-sm, $btn-font-size-sm, $btn-line-height-sm, $btn-border-radius-sm);
+}
+
+
+//
+// Block button
+//
+
+.btn-block {
+  display: block;
+  width: 100%;
+
+  // Vertically space out multiple block buttons
+  + .btn-block {
+    margin-top: $btn-block-spacing-y;
+  }
+}
+
+// Specificity overrides
+input[type="submit"],
+input[type="reset"],
+input[type="button"] {
+  &.btn-block {
+    width: 100%;
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_card.scss

@@ -0,0 +1,286 @@
+//
+// Base styles
+//
+
+.card {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  min-width: 0; // See https://github.com/twbs/bootstrap/pull/22740#issuecomment-305868106
+  height: $card-height;
+  word-wrap: break-word;
+  background-color: $card-bg;
+  background-clip: border-box;
+  border: $card-border-width solid $card-border-color;
+  @include border-radius($card-border-radius);
+
+  > hr {
+    margin-right: 0;
+    margin-left: 0;
+  }
+
+  > .list-group {
+    border-top: inherit;
+    border-bottom: inherit;
+
+    &:first-child {
+      border-top-width: 0;
+      @include border-top-radius($card-inner-border-radius);
+    }
+
+    &:last-child  {
+      border-bottom-width: 0;
+      @include border-bottom-radius($card-inner-border-radius);
+    }
+  }
+
+  // Due to specificity of the above selector (`.card > .list-group`), we must
+  // use a child selector here to prevent double borders.
+  > .card-header + .list-group,
+  > .list-group + .card-footer {
+    border-top: 0;
+  }
+}
+
+.card-body {
+  // Enable `flex-grow: 1` for decks and groups so that card blocks take up
+  // as much space as possible, ensuring footers are aligned to the bottom.
+  flex: 1 1 auto;
+  // Workaround for the image size bug in IE
+  // See: https://github.com/twbs/bootstrap/pull/28855
+  min-height: 1px;
+  padding: $card-spacer-x;
+  color: $card-color;
+}
+
+.card-title {
+  margin-bottom: $card-spacer-y;
+}
+
+.card-subtitle {
+  margin-top: -$card-spacer-y * .5;
+  margin-bottom: 0;
+}
+
+.card-text:last-child {
+  margin-bottom: 0;
+}
+
+.card-link {
+  @include hover() {
+    text-decoration: none;
+  }
+
+  + .card-link {
+    margin-left: $card-spacer-x;
+  }
+}
+
+//
+// Optional textual caps
+//
+
+.card-header {
+  padding: $card-spacer-y $card-spacer-x;
+  margin-bottom: 0; // Removes the default margin-bottom of <hN>
+  color: $card-cap-color;
+  background-color: $card-cap-bg;
+  border-bottom: $card-border-width solid $card-border-color;
+
+  &:first-child {
+    @include border-radius($card-inner-border-radius $card-inner-border-radius 0 0);
+  }
+}
+
+.card-footer {
+  padding: $card-spacer-y $card-spacer-x;
+  color: $card-cap-color;
+  background-color: $card-cap-bg;
+  border-top: $card-border-width solid $card-border-color;
+
+  &:last-child {
+    @include border-radius(0 0 $card-inner-border-radius $card-inner-border-radius);
+  }
+}
+
+
+//
+// Header navs
+//
+
+.card-header-tabs {
+  margin-right: -$card-spacer-x * .5;
+  margin-bottom: -$card-spacer-y;
+  margin-left: -$card-spacer-x * .5;
+  border-bottom: 0;
+}
+
+.card-header-pills {
+  margin-right: -$card-spacer-x * .5;
+  margin-left: -$card-spacer-x * .5;
+}
+
+// Card image
+.card-img-overlay {
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  padding: $card-img-overlay-padding;
+  @include border-radius($card-inner-border-radius);
+}
+
+.card-img,
+.card-img-top,
+.card-img-bottom {
+  flex-shrink: 0; // For IE: https://github.com/twbs/bootstrap/issues/29396
+  width: 100%; // Required because we use flexbox and this inherently applies align-self: stretch
+}
+
+.card-img,
+.card-img-top {
+  @include border-top-radius($card-inner-border-radius);
+}
+
+.card-img,
+.card-img-bottom {
+  @include border-bottom-radius($card-inner-border-radius);
+}
+
+
+// Card deck
+
+.card-deck {
+  .card {
+    margin-bottom: $card-deck-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
+    display: flex;
+    flex-flow: row wrap;
+    margin-right: -$card-deck-margin;
+    margin-left: -$card-deck-margin;
+
+    .card {
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
+      flex: 1 0 0%;
+      margin-right: $card-deck-margin;
+      margin-bottom: 0; // Override the default
+      margin-left: $card-deck-margin;
+    }
+  }
+}
+
+
+//
+// Card groups
+//
+
+.card-group {
+  // The child selector allows nested `.card` within `.card-group`
+  // to display properly.
+  > .card {
+    margin-bottom: $card-group-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
+    display: flex;
+    flex-flow: row wrap;
+    // The child selector allows nested `.card` within `.card-group`
+    // to display properly.
+    > .card {
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
+      flex: 1 0 0%;
+      margin-bottom: 0;
+
+      + .card {
+        margin-left: 0;
+        border-left: 0;
+      }
+
+      // Handle rounded corners
+      @if $enable-rounded {
+        &:not(:last-child) {
+          @include border-right-radius(0);
+
+          .card-img-top,
+          .card-header {
+            // stylelint-disable-next-line property-disallowed-list
+            border-top-right-radius: 0;
+          }
+          .card-img-bottom,
+          .card-footer {
+            // stylelint-disable-next-line property-disallowed-list
+            border-bottom-right-radius: 0;
+          }
+        }
+
+        &:not(:first-child) {
+          @include border-left-radius(0);
+
+          .card-img-top,
+          .card-header {
+            // stylelint-disable-next-line property-disallowed-list
+            border-top-left-radius: 0;
+          }
+          .card-img-bottom,
+          .card-footer {
+            // stylelint-disable-next-line property-disallowed-list
+            border-bottom-left-radius: 0;
+          }
+        }
+      }
+    }
+  }
+}
+
+
+//
+// Columns
+//
+
+.card-columns {
+  .card {
+    margin-bottom: $card-columns-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
+    column-count: $card-columns-count;
+    column-gap: $card-columns-gap;
+    orphans: 1;
+    widows: 1;
+
+    .card {
+      display: inline-block; // Don't let them vertically span multiple columns
+      width: 100%; // Don't let their width change
+    }
+  }
+}
+
+
+//
+// Accordion
+//
+
+.accordion {
+  overflow-anchor: none;
+
+  > .card {
+    overflow: hidden;
+
+    &:not(:last-of-type) {
+      border-bottom: 0;
+      @include border-bottom-radius(0);
+    }
+
+    &:not(:first-of-type) {
+      @include border-top-radius(0);
+    }
+
+    > .card-header {
+      @include border-radius(0);
+      margin-bottom: -$card-border-width;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_carousel.scss

@@ -0,0 +1,200 @@
+// Notes on the classes:
+//
+// 1. .carousel.pointer-event should ideally be pan-y (to allow for users to scroll vertically)
+//    even when their scroll action started on a carousel, but for compatibility (with Firefox)
+//    we're preventing all actions instead
+// 2. The .carousel-item-left and .carousel-item-right is used to indicate where
+//    the active slide is heading.
+// 3. .active.carousel-item is the current slide.
+// 4. .active.carousel-item-left and .active.carousel-item-right is the current
+//    slide in its in-transition state. Only one of these occurs at a time.
+// 5. .carousel-item-next.carousel-item-left and .carousel-item-prev.carousel-item-right
+//    is the upcoming slide in transition.
+
+.carousel {
+  position: relative;
+}
+
+.carousel.pointer-event {
+  touch-action: pan-y;
+}
+
+.carousel-inner {
+  position: relative;
+  width: 100%;
+  overflow: hidden;
+  @include clearfix();
+}
+
+.carousel-item {
+  position: relative;
+  display: none;
+  float: left;
+  width: 100%;
+  margin-right: -100%;
+  backface-visibility: hidden;
+  @include transition($carousel-transition);
+}
+
+.carousel-item.active,
+.carousel-item-next,
+.carousel-item-prev {
+  display: block;
+}
+
+.carousel-item-next:not(.carousel-item-left),
+.active.carousel-item-right {
+  transform: translateX(100%);
+}
+
+.carousel-item-prev:not(.carousel-item-right),
+.active.carousel-item-left {
+  transform: translateX(-100%);
+}
+
+
+//
+// Alternate transitions
+//
+
+.carousel-fade {
+  .carousel-item {
+    opacity: 0;
+    transition-property: opacity;
+    transform: none;
+  }
+
+  .carousel-item.active,
+  .carousel-item-next.carousel-item-left,
+  .carousel-item-prev.carousel-item-right {
+    z-index: 1;
+    opacity: 1;
+  }
+
+  .active.carousel-item-left,
+  .active.carousel-item-right {
+    z-index: 0;
+    opacity: 0;
+    @include transition(opacity 0s $carousel-transition-duration);
+  }
+}
+
+
+//
+// Left/right controls for nav
+//
+
+.carousel-control-prev,
+.carousel-control-next {
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  z-index: 1;
+  // Use flex for alignment (1-3)
+  display: flex; // 1. allow flex styles
+  align-items: center; // 2. vertically center contents
+  justify-content: center; // 3. horizontally center contents
+  width: $carousel-control-width;
+  padding: 0;
+  color: $carousel-control-color;
+  text-align: center;
+  background: none;
+  border: 0;
+  opacity: $carousel-control-opacity;
+  @include transition($carousel-control-transition);
+
+  // Hover/focus state
+  @include hover-focus() {
+    color: $carousel-control-color;
+    text-decoration: none;
+    outline: 0;
+    opacity: $carousel-control-hover-opacity;
+  }
+}
+.carousel-control-prev {
+  left: 0;
+  @if $enable-gradients {
+    background-image: linear-gradient(90deg, rgba($black, .25), rgba($black, .001));
+  }
+}
+.carousel-control-next {
+  right: 0;
+  @if $enable-gradients {
+    background-image: linear-gradient(270deg, rgba($black, .25), rgba($black, .001));
+  }
+}
+
+// Icons for within
+.carousel-control-prev-icon,
+.carousel-control-next-icon {
+  display: inline-block;
+  width: $carousel-control-icon-width;
+  height: $carousel-control-icon-width;
+  background: 50% / 100% 100% no-repeat;
+}
+.carousel-control-prev-icon {
+  background-image: escape-svg($carousel-control-prev-icon-bg);
+}
+.carousel-control-next-icon {
+  background-image: escape-svg($carousel-control-next-icon-bg);
+}
+
+
+// Optional indicator pips
+//
+// Add an ordered list with the following class and add a list item for each
+// slide your carousel holds.
+
+.carousel-indicators {
+  position: absolute;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 15;
+  display: flex;
+  justify-content: center;
+  padding-left: 0; // override <ol> default
+  // Use the .carousel-control's width as margin so we don't overlay those
+  margin-right: $carousel-control-width;
+  margin-left: $carousel-control-width;
+  list-style: none;
+
+  li {
+    box-sizing: content-box;
+    flex: 0 1 auto;
+    width: $carousel-indicator-width;
+    height: $carousel-indicator-height;
+    margin-right: $carousel-indicator-spacer;
+    margin-left: $carousel-indicator-spacer;
+    text-indent: -999px;
+    cursor: pointer;
+    background-color: $carousel-indicator-active-bg;
+    background-clip: padding-box;
+    // Use transparent borders to increase the hit area by 10px on top and bottom.
+    border-top: $carousel-indicator-hit-area-height solid transparent;
+    border-bottom: $carousel-indicator-hit-area-height solid transparent;
+    opacity: .5;
+    @include transition($carousel-indicator-transition);
+  }
+
+  .active {
+    opacity: 1;
+  }
+}
+
+
+// Optional captions
+//
+//
+
+.carousel-caption {
+  position: absolute;
+  right: (100% - $carousel-caption-width) * .5;
+  bottom: 20px;
+  left: (100% - $carousel-caption-width) * .5;
+  z-index: 10;
+  padding-top: 20px;
+  padding-bottom: 20px;
+  color: $carousel-caption-color;
+  text-align: center;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_close.scss

@@ -0,0 +1,40 @@
+.close {
+  float: right;
+  @include font-size($close-font-size);
+  font-weight: $close-font-weight;
+  line-height: 1;
+  color: $close-color;
+  text-shadow: $close-text-shadow;
+  opacity: .5;
+
+  // Override <a>'s hover style
+  @include hover() {
+    color: $close-color;
+    text-decoration: none;
+  }
+
+  &:not(:disabled):not(.disabled) {
+    @include hover-focus() {
+      opacity: .75;
+    }
+  }
+}
+
+// Additional properties for button version
+// iOS requires the button element instead of an anchor tag.
+// If you want the anchor version, it requires `href="#"`.
+// See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
+
+// stylelint-disable-next-line selector-no-qualifying-type
+button.close {
+  padding: 0;
+  background-color: transparent;
+  border: 0;
+}
+
+// Future-proof disabling of clicks on `<a>` elements
+
+// stylelint-disable-next-line selector-no-qualifying-type
+a.close.disabled {
+  pointer-events: none;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_code.scss

@@ -0,0 +1,48 @@
+// Inline code
+code {
+  @include font-size($code-font-size);
+  color: $code-color;
+  word-wrap: break-word;
+
+  // Streamline the style when inside anchors to avoid broken underline and more
+  a > & {
+    color: inherit;
+  }
+}
+
+// User input typically entered via keyboard
+kbd {
+  padding: $kbd-padding-y $kbd-padding-x;
+  @include font-size($kbd-font-size);
+  color: $kbd-color;
+  background-color: $kbd-bg;
+  @include border-radius($border-radius-sm);
+  @include box-shadow($kbd-box-shadow);
+
+  kbd {
+    padding: 0;
+    @include font-size(100%);
+    font-weight: $nested-kbd-font-weight;
+    @include box-shadow(none);
+  }
+}
+
+// Blocks of code
+pre {
+  display: block;
+  @include font-size($code-font-size);
+  color: $pre-color;
+
+  // Account for some code outputs that place code tags in pre tags
+  code {
+    @include font-size(inherit);
+    color: inherit;
+    word-break: normal;
+  }
+}
+
+// Enable scrollable blocks of code
+.pre-scrollable {
+  max-height: $pre-scrollable-max-height;
+  overflow-y: scroll;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_custom-forms.scss

@@ -0,0 +1,526 @@
+// Embedded icons from Open Iconic.
+// Released under MIT and copyright 2014 Waybury.
+// https://useiconic.com/open
+
+
+// Checkboxes and radios
+//
+// Base class takes care of all the key behavioral aspects.
+
+.custom-control {
+  position: relative;
+  z-index: 1;
+  display: block;
+  min-height: $font-size-base * $line-height-base;
+  padding-left: $custom-control-gutter + $custom-control-indicator-size;
+  print-color-adjust: exact; // Keep themed appearance for print
+}
+
+.custom-control-inline {
+  display: inline-flex;
+  margin-right: $custom-control-spacer-x;
+}
+
+.custom-control-input {
+  position: absolute;
+  left: 0;
+  z-index: -1; // Put the input behind the label so it doesn't overlay text
+  width: $custom-control-indicator-size;
+  height: ($font-size-base * $line-height-base + $custom-control-indicator-size) * .5;
+  opacity: 0;
+
+  &:checked ~ .custom-control-label::before {
+    color: $custom-control-indicator-checked-color;
+    border-color: $custom-control-indicator-checked-border-color;
+    @include gradient-bg($custom-control-indicator-checked-bg);
+    @include box-shadow($custom-control-indicator-checked-box-shadow);
+  }
+
+  &:focus ~ .custom-control-label::before {
+    // the mixin is not used here to make sure there is feedback
+    @if $enable-shadows {
+      box-shadow: $input-box-shadow, $custom-control-indicator-focus-box-shadow;
+    } @else {
+      box-shadow: $custom-control-indicator-focus-box-shadow;
+    }
+  }
+
+  &:focus:not(:checked) ~ .custom-control-label::before {
+    border-color: $custom-control-indicator-focus-border-color;
+  }
+
+  &:not(:disabled):active ~ .custom-control-label::before {
+    color: $custom-control-indicator-active-color;
+    background-color: $custom-control-indicator-active-bg;
+    border-color: $custom-control-indicator-active-border-color;
+    @include box-shadow($custom-control-indicator-active-box-shadow);
+  }
+
+  // Use [disabled] and :disabled to work around https://github.com/twbs/bootstrap/issues/28247
+  &[disabled],
+  &:disabled {
+    ~ .custom-control-label {
+      color: $custom-control-label-disabled-color;
+
+      &::before {
+        background-color: $custom-control-indicator-disabled-bg;
+      }
+    }
+  }
+}
+
+// Custom control indicators
+//
+// Build the custom controls out of pseudo-elements.
+
+.custom-control-label {
+  position: relative;
+  margin-bottom: 0;
+  color: $custom-control-label-color;
+  vertical-align: top;
+  cursor: $custom-control-cursor;
+
+  // Background-color and (when enabled) gradient
+  &::before {
+    position: absolute;
+    top: ($font-size-base * $line-height-base - $custom-control-indicator-size) * .5;
+    left: -($custom-control-gutter + $custom-control-indicator-size);
+    display: block;
+    width: $custom-control-indicator-size;
+    height: $custom-control-indicator-size;
+    pointer-events: none;
+    content: "";
+    background-color: $custom-control-indicator-bg;
+    border: $custom-control-indicator-border-width solid $custom-control-indicator-border-color;
+    @include box-shadow($custom-control-indicator-box-shadow);
+  }
+
+  // Foreground (icon)
+  &::after {
+    position: absolute;
+    top: ($font-size-base * $line-height-base - $custom-control-indicator-size) * .5;
+    left: -($custom-control-gutter + $custom-control-indicator-size);
+    display: block;
+    width: $custom-control-indicator-size;
+    height: $custom-control-indicator-size;
+    content: "";
+    background: 50% / #{$custom-control-indicator-bg-size} no-repeat;
+  }
+}
+
+
+// Checkboxes
+//
+// Tweak just a few things for checkboxes.
+
+.custom-checkbox {
+  .custom-control-label::before {
+    @include border-radius($custom-checkbox-indicator-border-radius);
+  }
+
+  .custom-control-input:checked ~ .custom-control-label {
+    &::after {
+      background-image: escape-svg($custom-checkbox-indicator-icon-checked);
+    }
+  }
+
+  .custom-control-input:indeterminate ~ .custom-control-label {
+    &::before {
+      border-color: $custom-checkbox-indicator-indeterminate-border-color;
+      @include gradient-bg($custom-checkbox-indicator-indeterminate-bg);
+      @include box-shadow($custom-checkbox-indicator-indeterminate-box-shadow);
+    }
+    &::after {
+      background-image: escape-svg($custom-checkbox-indicator-icon-indeterminate);
+    }
+  }
+
+  .custom-control-input:disabled {
+    &:checked ~ .custom-control-label::before {
+      @include gradient-bg($custom-control-indicator-checked-disabled-bg);
+    }
+    &:indeterminate ~ .custom-control-label::before {
+      @include gradient-bg($custom-control-indicator-checked-disabled-bg);
+    }
+  }
+}
+
+// Radios
+//
+// Tweak just a few things for radios.
+
+.custom-radio {
+  .custom-control-label::before {
+    // stylelint-disable-next-line property-disallowed-list
+    border-radius: $custom-radio-indicator-border-radius;
+  }
+
+  .custom-control-input:checked ~ .custom-control-label {
+    &::after {
+      background-image: escape-svg($custom-radio-indicator-icon-checked);
+    }
+  }
+
+  .custom-control-input:disabled {
+    &:checked ~ .custom-control-label::before {
+      @include gradient-bg($custom-control-indicator-checked-disabled-bg);
+    }
+  }
+}
+
+
+// switches
+//
+// Tweak a few things for switches
+
+.custom-switch {
+  padding-left: $custom-switch-width + $custom-control-gutter;
+
+  .custom-control-label {
+    &::before {
+      left: -($custom-switch-width + $custom-control-gutter);
+      width: $custom-switch-width;
+      pointer-events: all;
+      // stylelint-disable-next-line property-disallowed-list
+      border-radius: $custom-switch-indicator-border-radius;
+    }
+
+    &::after {
+      top: add(($font-size-base * $line-height-base - $custom-control-indicator-size) * .5, $custom-control-indicator-border-width * 2);
+      left: add(-($custom-switch-width + $custom-control-gutter), $custom-control-indicator-border-width * 2);
+      width: $custom-switch-indicator-size;
+      height: $custom-switch-indicator-size;
+      background-color: $custom-control-indicator-border-color;
+      // stylelint-disable-next-line property-disallowed-list
+      border-radius: $custom-switch-indicator-border-radius;
+      @include transition(transform .15s ease-in-out, $custom-forms-transition);
+    }
+  }
+
+  .custom-control-input:checked ~ .custom-control-label {
+    &::after {
+      background-color: $custom-control-indicator-bg;
+      transform: translateX($custom-switch-width - $custom-control-indicator-size);
+    }
+  }
+
+  .custom-control-input:disabled {
+    &:checked ~ .custom-control-label::before {
+      @include gradient-bg($custom-control-indicator-checked-disabled-bg);
+    }
+  }
+}
+
+
+// Select
+//
+// Replaces the browser default select with a custom one, mostly pulled from
+// https://primer.github.io/.
+//
+
+.custom-select {
+  display: inline-block;
+  width: 100%;
+  height: $custom-select-height;
+  padding: $custom-select-padding-y ($custom-select-padding-x + $custom-select-indicator-padding) $custom-select-padding-y $custom-select-padding-x;
+  font-family: $custom-select-font-family;
+  @include font-size($custom-select-font-size);
+  font-weight: $custom-select-font-weight;
+  line-height: $custom-select-line-height;
+  color: $custom-select-color;
+  vertical-align: middle;
+  background: $custom-select-bg $custom-select-background;
+  border: $custom-select-border-width solid $custom-select-border-color;
+  @include border-radius($custom-select-border-radius, 0);
+  @include box-shadow($custom-select-box-shadow);
+  appearance: none;
+
+  &:focus {
+    border-color: $custom-select-focus-border-color;
+    outline: 0;
+    @if $enable-shadows {
+      @include box-shadow($custom-select-box-shadow, $custom-select-focus-box-shadow);
+    } @else {
+      // Avoid using mixin so we can pass custom focus shadow properly
+      box-shadow: $custom-select-focus-box-shadow;
+    }
+
+    &::-ms-value {
+      // For visual consistency with other platforms/browsers,
+      // suppress the default white text on blue background highlight given to
+      // the selected option text when the (still closed) <select> receives focus
+      // in IE and (under certain conditions) Edge.
+      // See https://github.com/twbs/bootstrap/issues/19398.
+      color: $input-color;
+      background-color: $input-bg;
+    }
+  }
+
+  &[multiple],
+  &[size]:not([size="1"]) {
+    height: auto;
+    padding-right: $custom-select-padding-x;
+    background-image: none;
+  }
+
+  &:disabled {
+    color: $custom-select-disabled-color;
+    background-color: $custom-select-disabled-bg;
+  }
+
+  // Hides the default caret in IE11
+  &::-ms-expand {
+    display: none;
+  }
+
+  // Remove outline from select box in FF
+  &:-moz-focusring {
+    color: transparent;
+    text-shadow: 0 0 0 $custom-select-color;
+  }
+}
+
+.custom-select-sm {
+  height: $custom-select-height-sm;
+  padding-top: $custom-select-padding-y-sm;
+  padding-bottom: $custom-select-padding-y-sm;
+  padding-left: $custom-select-padding-x-sm;
+  @include font-size($custom-select-font-size-sm);
+}
+
+.custom-select-lg {
+  height: $custom-select-height-lg;
+  padding-top: $custom-select-padding-y-lg;
+  padding-bottom: $custom-select-padding-y-lg;
+  padding-left: $custom-select-padding-x-lg;
+  @include font-size($custom-select-font-size-lg);
+}
+
+
+// File
+//
+// Custom file input.
+
+.custom-file {
+  position: relative;
+  display: inline-block;
+  width: 100%;
+  height: $custom-file-height;
+  margin-bottom: 0;
+}
+
+.custom-file-input {
+  position: relative;
+  z-index: 2;
+  width: 100%;
+  height: $custom-file-height;
+  margin: 0;
+  overflow: hidden;
+  opacity: 0;
+
+  &:focus ~ .custom-file-label {
+    border-color: $custom-file-focus-border-color;
+    box-shadow: $custom-file-focus-box-shadow;
+  }
+
+  // Use [disabled] and :disabled to work around https://github.com/twbs/bootstrap/issues/28247
+  &[disabled] ~ .custom-file-label,
+  &:disabled ~ .custom-file-label {
+    background-color: $custom-file-disabled-bg;
+  }
+
+  @each $lang, $value in $custom-file-text {
+    &:lang(#{$lang}) ~ .custom-file-label::after {
+      content: $value;
+    }
+  }
+
+  ~ .custom-file-label[data-browse]::after {
+    content: attr(data-browse);
+  }
+}
+
+.custom-file-label {
+  position: absolute;
+  top: 0;
+  right: 0;
+  left: 0;
+  z-index: 1;
+  height: $custom-file-height;
+  padding: $custom-file-padding-y $custom-file-padding-x;
+  overflow: hidden;
+  font-family: $custom-file-font-family;
+  font-weight: $custom-file-font-weight;
+  line-height: $custom-file-line-height;
+  color: $custom-file-color;
+  background-color: $custom-file-bg;
+  border: $custom-file-border-width solid $custom-file-border-color;
+  @include border-radius($custom-file-border-radius);
+  @include box-shadow($custom-file-box-shadow);
+
+  &::after {
+    position: absolute;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    z-index: 3;
+    display: block;
+    height: $custom-file-height-inner;
+    padding: $custom-file-padding-y $custom-file-padding-x;
+    line-height: $custom-file-line-height;
+    color: $custom-file-button-color;
+    content: "Browse";
+    @include gradient-bg($custom-file-button-bg);
+    border-left: inherit;
+    @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
+  }
+}
+
+// Range
+//
+// Style range inputs the same across browsers. Vendor-specific rules for pseudo
+// elements cannot be mixed. As such, there are no shared styles for focus or
+// active states on prefixed selectors.
+
+.custom-range {
+  width: 100%;
+  height: add($custom-range-thumb-height, $custom-range-thumb-focus-box-shadow-width * 2);
+  padding: 0; // Need to reset padding
+  background-color: transparent;
+  appearance: none;
+
+  &:focus {
+    outline: 0;
+
+    // Pseudo-elements must be split across multiple rulesets to have an effect.
+    // No box-shadow() mixin for focus accessibility.
+    &::-webkit-slider-thumb { box-shadow: $custom-range-thumb-focus-box-shadow; }
+    &::-moz-range-thumb     { box-shadow: $custom-range-thumb-focus-box-shadow; }
+    &::-ms-thumb            { box-shadow: $custom-range-thumb-focus-box-shadow; }
+  }
+
+  &::-moz-focus-outer {
+    border: 0;
+  }
+
+  &::-webkit-slider-thumb {
+    width: $custom-range-thumb-width;
+    height: $custom-range-thumb-height;
+    margin-top: ($custom-range-track-height - $custom-range-thumb-height) * .5; // Webkit specific
+    @include gradient-bg($custom-range-thumb-bg);
+    border: $custom-range-thumb-border;
+    @include border-radius($custom-range-thumb-border-radius);
+    @include box-shadow($custom-range-thumb-box-shadow);
+    @include transition($custom-forms-transition);
+    appearance: none;
+
+    &:active {
+      @include gradient-bg($custom-range-thumb-active-bg);
+    }
+  }
+
+  &::-webkit-slider-runnable-track {
+    width: $custom-range-track-width;
+    height: $custom-range-track-height;
+    color: transparent; // Why?
+    cursor: $custom-range-track-cursor;
+    background-color: $custom-range-track-bg;
+    border-color: transparent;
+    @include border-radius($custom-range-track-border-radius);
+    @include box-shadow($custom-range-track-box-shadow);
+  }
+
+  &::-moz-range-thumb {
+    width: $custom-range-thumb-width;
+    height: $custom-range-thumb-height;
+    @include gradient-bg($custom-range-thumb-bg);
+    border: $custom-range-thumb-border;
+    @include border-radius($custom-range-thumb-border-radius);
+    @include box-shadow($custom-range-thumb-box-shadow);
+    @include transition($custom-forms-transition);
+    appearance: none;
+
+    &:active {
+      @include gradient-bg($custom-range-thumb-active-bg);
+    }
+  }
+
+  &::-moz-range-track {
+    width: $custom-range-track-width;
+    height: $custom-range-track-height;
+    color: transparent;
+    cursor: $custom-range-track-cursor;
+    background-color: $custom-range-track-bg;
+    border-color: transparent; // Firefox specific?
+    @include border-radius($custom-range-track-border-radius);
+    @include box-shadow($custom-range-track-box-shadow);
+  }
+
+  &::-ms-thumb {
+    width: $custom-range-thumb-width;
+    height: $custom-range-thumb-height;
+    margin-top: 0; // Edge specific
+    margin-right: $custom-range-thumb-focus-box-shadow-width; // Workaround that overflowed box-shadow is hidden.
+    margin-left: $custom-range-thumb-focus-box-shadow-width;  // Workaround that overflowed box-shadow is hidden.
+    @include gradient-bg($custom-range-thumb-bg);
+    border: $custom-range-thumb-border;
+    @include border-radius($custom-range-thumb-border-radius);
+    @include box-shadow($custom-range-thumb-box-shadow);
+    @include transition($custom-forms-transition);
+    appearance: none;
+
+    &:active {
+      @include gradient-bg($custom-range-thumb-active-bg);
+    }
+  }
+
+  &::-ms-track {
+    width: $custom-range-track-width;
+    height: $custom-range-track-height;
+    color: transparent;
+    cursor: $custom-range-track-cursor;
+    background-color: transparent;
+    border-color: transparent;
+    border-width: $custom-range-thumb-height * .5;
+    @include box-shadow($custom-range-track-box-shadow);
+  }
+
+  &::-ms-fill-lower {
+    background-color: $custom-range-track-bg;
+    @include border-radius($custom-range-track-border-radius);
+  }
+
+  &::-ms-fill-upper {
+    margin-right: 15px; // arbitrary?
+    background-color: $custom-range-track-bg;
+    @include border-radius($custom-range-track-border-radius);
+  }
+
+  &:disabled {
+    &::-webkit-slider-thumb {
+      background-color: $custom-range-thumb-disabled-bg;
+    }
+
+    &::-webkit-slider-runnable-track {
+      cursor: default;
+    }
+
+    &::-moz-range-thumb {
+      background-color: $custom-range-thumb-disabled-bg;
+    }
+
+    &::-moz-range-track {
+      cursor: default;
+    }
+
+    &::-ms-thumb {
+      background-color: $custom-range-thumb-disabled-bg;
+    }
+  }
+}
+
+.custom-control-label::before,
+.custom-file-label,
+.custom-select {
+  @include transition($custom-forms-transition);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_dropdown.scss

@@ -0,0 +1,192 @@
+// The dropdown wrapper (`<div>`)
+.dropup,
+.dropright,
+.dropdown,
+.dropleft {
+  position: relative;
+}
+
+.dropdown-toggle {
+  white-space: nowrap;
+
+  // Generate the caret automatically
+  @include caret();
+}
+
+// The dropdown menu
+.dropdown-menu {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  z-index: $zindex-dropdown;
+  display: none; // none by default, but block on "open" of the menu
+  float: left;
+  min-width: $dropdown-min-width;
+  padding: $dropdown-padding-y $dropdown-padding-x;
+  margin: $dropdown-spacer 0 0; // override default ul
+  @include font-size($dropdown-font-size);
+  color: $dropdown-color;
+  text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
+  list-style: none;
+  background-color: $dropdown-bg;
+  background-clip: padding-box;
+  border: $dropdown-border-width solid $dropdown-border-color;
+  @include border-radius($dropdown-border-radius);
+  @include box-shadow($dropdown-box-shadow);
+}
+
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    .dropdown-menu#{$infix}-left {
+      right: auto;
+      left: 0;
+    }
+
+    .dropdown-menu#{$infix}-right {
+      right: 0;
+      left: auto;
+    }
+  }
+}
+
+// Allow for dropdowns to go bottom up (aka, dropup-menu)
+// Just add .dropup after the standard .dropdown class and you're set.
+.dropup {
+  .dropdown-menu {
+    top: auto;
+    bottom: 100%;
+    margin-top: 0;
+    margin-bottom: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(up);
+  }
+}
+
+.dropright {
+  .dropdown-menu {
+    top: 0;
+    right: auto;
+    left: 100%;
+    margin-top: 0;
+    margin-left: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(right);
+    &::after {
+      vertical-align: 0;
+    }
+  }
+}
+
+.dropleft {
+  .dropdown-menu {
+    top: 0;
+    right: 100%;
+    left: auto;
+    margin-top: 0;
+    margin-right: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(left);
+    &::before {
+      vertical-align: 0;
+    }
+  }
+}
+
+// When Popper is enabled, reset the basic dropdown position
+// stylelint-disable-next-line no-duplicate-selectors
+.dropdown-menu {
+  &[x-placement^="top"],
+  &[x-placement^="right"],
+  &[x-placement^="bottom"],
+  &[x-placement^="left"] {
+    right: auto;
+    bottom: auto;
+  }
+}
+
+// Dividers (basically an `<hr>`) within the dropdown
+.dropdown-divider {
+  @include nav-divider($dropdown-divider-bg, $dropdown-divider-margin-y, true);
+}
+
+// Links, buttons, and more within the dropdown menu
+//
+// `<button>`-specific styles are denoted with `// For <button>s`
+.dropdown-item {
+  display: block;
+  width: 100%; // For `<button>`s
+  padding: $dropdown-item-padding-y $dropdown-item-padding-x;
+  clear: both;
+  font-weight: $font-weight-normal;
+  color: $dropdown-link-color;
+  text-align: inherit; // For `<button>`s
+  text-decoration: if($link-decoration == none, null, none);
+  white-space: nowrap; // prevent links from randomly breaking onto new lines
+  background-color: transparent; // For `<button>`s
+  border: 0; // For `<button>`s
+
+  // Prevent dropdown overflow if there's no padding
+  // See https://github.com/twbs/bootstrap/pull/27703
+  @if $dropdown-padding-y == 0 {
+    &:first-child {
+      @include border-top-radius($dropdown-inner-border-radius);
+    }
+
+    &:last-child {
+      @include border-bottom-radius($dropdown-inner-border-radius);
+    }
+  }
+
+  @include hover-focus() {
+    color: $dropdown-link-hover-color;
+    text-decoration: none;
+    @include gradient-bg($dropdown-link-hover-bg);
+  }
+
+  &.active,
+  &:active {
+    color: $dropdown-link-active-color;
+    text-decoration: none;
+    @include gradient-bg($dropdown-link-active-bg);
+  }
+
+  &.disabled,
+  &:disabled {
+    color: $dropdown-link-disabled-color;
+    pointer-events: none;
+    background-color: transparent;
+    // Remove CSS gradients if they're enabled
+    @if $enable-gradients {
+      background-image: none;
+    }
+  }
+}
+
+.dropdown-menu.show {
+  display: block;
+}
+
+// Dropdown section headers
+.dropdown-header {
+  display: block;
+  padding: $dropdown-header-padding;
+  margin-bottom: 0; // for use with heading elements
+  @include font-size($font-size-sm);
+  color: $dropdown-header-color;
+  white-space: nowrap; // as with > li > a
+}
+
+// Dropdown text
+.dropdown-item-text {
+  display: block;
+  padding: $dropdown-item-padding-y $dropdown-item-padding-x;
+  color: $dropdown-link-color;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_forms.scss

@@ -0,0 +1,347 @@
+// stylelint-disable selector-no-qualifying-type
+
+//
+// Textual form controls
+//
+
+.form-control {
+  display: block;
+  width: 100%;
+  height: $input-height;
+  padding: $input-padding-y $input-padding-x;
+  font-family: $input-font-family;
+  @include font-size($input-font-size);
+  font-weight: $input-font-weight;
+  line-height: $input-line-height;
+  color: $input-color;
+  background-color: $input-bg;
+  background-clip: padding-box;
+  border: $input-border-width solid $input-border-color;
+
+  // Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
+  @include border-radius($input-border-radius, 0);
+
+  @include box-shadow($input-box-shadow);
+  @include transition($input-transition);
+
+  // Unstyle the caret on `<select>`s in IE10+.
+  &::-ms-expand {
+    background-color: transparent;
+    border: 0;
+  }
+
+  // Customize the `:focus` state to imitate native WebKit styles.
+  @include form-control-focus($ignore-warning: true);
+
+  // Placeholder
+  &::placeholder {
+    color: $input-placeholder-color;
+    // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526.
+    opacity: 1;
+  }
+
+  // Disabled and read-only inputs
+  //
+  // HTML5 says that controls under a fieldset > legend:first-child won't be
+  // disabled if the fieldset is disabled. Due to implementation difficulty, we
+  // don't honor that edge case; we style them as disabled anyway.
+  &:disabled,
+  &[readonly] {
+    background-color: $input-disabled-bg;
+    // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
+    opacity: 1;
+  }
+}
+
+input[type="date"],
+input[type="time"],
+input[type="datetime-local"],
+input[type="month"] {
+  &.form-control {
+    appearance: none; // Fix appearance for date inputs in Safari
+  }
+}
+
+select.form-control {
+  // Remove select outline from select box in FF
+  &:-moz-focusring {
+    color: transparent;
+    text-shadow: 0 0 0 $input-color;
+  }
+
+  &:focus::-ms-value {
+    // Suppress the nested default white text on blue background highlight given to
+    // the selected option text when the (still closed) <select> receives focus
+    // in IE and (under certain conditions) Edge, as it looks bad and cannot be made to
+    // match the appearance of the native widget.
+    // See https://github.com/twbs/bootstrap/issues/19398.
+    color: $input-color;
+    background-color: $input-bg;
+  }
+}
+
+// Make file inputs better match text inputs by forcing them to new lines.
+.form-control-file,
+.form-control-range {
+  display: block;
+  width: 100%;
+}
+
+
+//
+// Labels
+//
+
+// For use with horizontal and inline forms, when you need the label (or legend)
+// text to align with the form controls.
+.col-form-label {
+  padding-top: add($input-padding-y, $input-border-width);
+  padding-bottom: add($input-padding-y, $input-border-width);
+  margin-bottom: 0; // Override the `<label>/<legend>` default
+  @include font-size(inherit); // Override the `<legend>` default
+  line-height: $input-line-height;
+}
+
+.col-form-label-lg {
+  padding-top: add($input-padding-y-lg, $input-border-width);
+  padding-bottom: add($input-padding-y-lg, $input-border-width);
+  @include font-size($input-font-size-lg);
+  line-height: $input-line-height-lg;
+}
+
+.col-form-label-sm {
+  padding-top: add($input-padding-y-sm, $input-border-width);
+  padding-bottom: add($input-padding-y-sm, $input-border-width);
+  @include font-size($input-font-size-sm);
+  line-height: $input-line-height-sm;
+}
+
+
+// Readonly controls as plain text
+//
+// Apply class to a readonly input to make it appear like regular plain
+// text (without any border, background color, focus indicator)
+
+.form-control-plaintext {
+  display: block;
+  width: 100%;
+  padding: $input-padding-y 0;
+  margin-bottom: 0; // match inputs if this class comes on inputs with default margins
+  @include font-size($input-font-size);
+  line-height: $input-line-height;
+  color: $input-plaintext-color;
+  background-color: transparent;
+  border: solid transparent;
+  border-width: $input-border-width 0;
+
+  &.form-control-sm,
+  &.form-control-lg {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+
+
+// Form control sizing
+//
+// Build on `.form-control` with modifier classes to decrease or increase the
+// height and font-size of form controls.
+//
+// Repeated in `_input_group.scss` to avoid Sass extend issues.
+
+.form-control-sm {
+  height: $input-height-sm;
+  padding: $input-padding-y-sm $input-padding-x-sm;
+  @include font-size($input-font-size-sm);
+  line-height: $input-line-height-sm;
+  @include border-radius($input-border-radius-sm);
+}
+
+.form-control-lg {
+  height: $input-height-lg;
+  padding: $input-padding-y-lg $input-padding-x-lg;
+  @include font-size($input-font-size-lg);
+  line-height: $input-line-height-lg;
+  @include border-radius($input-border-radius-lg);
+}
+
+// stylelint-disable-next-line no-duplicate-selectors
+select.form-control {
+  &[size],
+  &[multiple] {
+    height: auto;
+  }
+}
+
+textarea.form-control {
+  height: auto;
+}
+
+// Form groups
+//
+// Designed to help with the organization and spacing of vertical forms. For
+// horizontal forms, use the predefined grid classes.
+
+.form-group {
+  margin-bottom: $form-group-margin-bottom;
+}
+
+.form-text {
+  display: block;
+  margin-top: $form-text-margin-top;
+}
+
+
+// Form grid
+//
+// Special replacement for our grid system's `.row` for tighter form layouts.
+
+.form-row {
+  display: flex;
+  flex-wrap: wrap;
+  margin-right: -$form-grid-gutter-width * .5;
+  margin-left: -$form-grid-gutter-width * .5;
+
+  > .col,
+  > [class*="col-"] {
+    padding-right: $form-grid-gutter-width * .5;
+    padding-left: $form-grid-gutter-width * .5;
+  }
+}
+
+
+// Checkboxes and radios
+//
+// Indent the labels to position radios/checkboxes as hanging controls.
+
+.form-check {
+  position: relative;
+  display: block;
+  padding-left: $form-check-input-gutter;
+}
+
+.form-check-input {
+  position: absolute;
+  margin-top: $form-check-input-margin-y;
+  margin-left: -$form-check-input-gutter;
+
+  // Use [disabled] and :disabled for workaround https://github.com/twbs/bootstrap/issues/28247
+  &[disabled] ~ .form-check-label,
+  &:disabled ~ .form-check-label {
+    color: $text-muted;
+  }
+}
+
+.form-check-label {
+  margin-bottom: 0; // Override default `<label>` bottom margin
+}
+
+.form-check-inline {
+  display: inline-flex;
+  align-items: center;
+  padding-left: 0; // Override base .form-check
+  margin-right: $form-check-inline-margin-x;
+
+  // Undo .form-check-input defaults and add some `margin-right`.
+  .form-check-input {
+    position: static;
+    margin-top: 0;
+    margin-right: $form-check-inline-input-margin-x;
+    margin-left: 0;
+  }
+}
+
+
+// Form validation
+//
+// Provide feedback to users when form field values are valid or invalid. Works
+// primarily for client-side validation via scoped `:invalid` and `:valid`
+// pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
+// server side validation.
+
+@each $state, $data in $form-validation-states {
+  @include form-validation-state($state, map-get($data, color), map-get($data, icon));
+}
+
+// Inline forms
+//
+// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
+// forms begin stacked on extra small (mobile) devices and then go inline when
+// viewports reach <768px.
+//
+// Requires wrapping inputs and labels with `.form-group` for proper display of
+// default HTML form controls and our custom form controls (e.g., input groups).
+
+.form-inline {
+  display: flex;
+  flex-flow: row wrap;
+  align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)
+
+  // Because we use flex, the initial sizing of checkboxes is collapsed and
+  // doesn't occupy the full-width (which is what we want for xs grid tier),
+  // so we force that here.
+  .form-check {
+    width: 100%;
+  }
+
+  // Kick in the inline
+  @include media-breakpoint-up(sm) {
+    label {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      margin-bottom: 0;
+    }
+
+    // Inline-block all the things for "inline"
+    .form-group {
+      display: flex;
+      flex: 0 0 auto;
+      flex-flow: row wrap;
+      align-items: center;
+      margin-bottom: 0;
+    }
+
+    // Allow folks to *not* use `.form-group`
+    .form-control {
+      display: inline-block;
+      width: auto; // Prevent labels from stacking above inputs in `.form-group`
+      vertical-align: middle;
+    }
+
+    // Make static controls behave like regular ones
+    .form-control-plaintext {
+      display: inline-block;
+    }
+
+    .input-group,
+    .custom-select {
+      width: auto;
+    }
+
+    // Remove default margin on radios/checkboxes that were used for stacking, and
+    // then undo the floating of radios and checkboxes to match.
+    .form-check {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: auto;
+      padding-left: 0;
+    }
+    .form-check-input {
+      position: relative;
+      flex-shrink: 0;
+      margin-top: 0;
+      margin-right: $form-check-input-margin-x;
+      margin-left: 0;
+    }
+
+    .custom-control {
+      align-items: center;
+      justify-content: center;
+    }
+    .custom-control-label {
+      margin-bottom: 0;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_functions.scss

@@ -0,0 +1,190 @@
+// Bootstrap functions
+//
+// Utility mixins and functions for evaluating source code across our variables, maps, and mixins.
+
+// Ascending
+// Used to evaluate Sass maps like our grid breakpoints.
+@mixin _assert-ascending($map, $map-name) {
+  $prev-key: null;
+  $prev-num: null;
+  @each $key, $num in $map {
+    @if $prev-num == null or unit($num) == "%" or unit($prev-num) == "%" {
+      // Do nothing
+    } @else if not comparable($prev-num, $num) {
+      @warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !";
+    } @else if $prev-num >= $num {
+      @warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !";
+    }
+    $prev-key: $key;
+    $prev-num: $num;
+  }
+}
+
+// Starts at zero
+// Used to ensure the min-width of the lowest breakpoint starts at 0.
+@mixin _assert-starts-at-zero($map, $map-name: "$grid-breakpoints") {
+  @if length($map) > 0 {
+    $values: map-values($map);
+    $first-value: nth($values, 1);
+    @if $first-value != 0 {
+      @warn "First breakpoint in #{$map-name} must start at 0, but starts at #{$first-value}.";
+    }
+  }
+}
+
+// Replace `$search` with `$replace` in `$string`
+// Used on our SVG icon backgrounds for custom forms.
+//
+// @author Hugo Giraudel
+// @param {String} $string - Initial string
+// @param {String} $search - Substring to replace
+// @param {String} $replace ('') - New value
+// @return {String} - Updated string
+@function str-replace($string, $search, $replace: "") {
+  $index: str-index($string, $search);
+
+  @if $index {
+    @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
+  }
+
+  @return $string;
+}
+
+// See https://codepen.io/kevinweber/pen/dXWoRw
+//
+// Requires the use of quotes around data URIs.
+
+@function escape-svg($string) {
+  @if str-index($string, "data:image/svg+xml") {
+    @each $char, $encoded in $escaped-characters {
+      // Do not escape the url brackets
+      @if str-index($string, "url(") == 1 {
+        $string: url("#{str-replace(str-slice($string, 6, -3), $char, $encoded)}");
+      } @else {
+        $string: str-replace($string, $char, $encoded);
+      }
+    }
+  }
+
+  @return $string;
+}
+
+// Color contrast
+@function color-yiq($color, $dark: $yiq-text-dark, $light: $yiq-text-light) {
+  $r: red($color);
+  $g: green($color);
+  $b: blue($color);
+
+  $yiq: (($r * 299) + ($g * 587) + ($b * 114)) * .001;
+
+  @if ($yiq >= $yiq-contrasted-threshold) {
+    @return $dark;
+  } @else {
+    @return $light;
+  }
+}
+
+// Retrieve color Sass maps
+@function color($key: "blue") {
+  @return map-get($colors, $key);
+}
+
+@function theme-color($key: "primary") {
+  @return map-get($theme-colors, $key);
+}
+
+@function gray($key: "100") {
+  @return map-get($grays, $key);
+}
+
+// Request a theme color level
+@function theme-color-level($color-name: "primary", $level: 0) {
+  $color: theme-color($color-name);
+  $color-base: if($level > 0, $black, $white);
+  $level: abs($level);
+
+  @return mix($color-base, $color, $level * $theme-color-interval);
+}
+
+// Return valid calc
+@function add($value1, $value2, $return-calc: true) {
+  @if $value1 == null {
+    @return $value2;
+  }
+
+  @if $value2 == null {
+    @return $value1;
+  }
+
+  @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+    @return $value1 + $value2;
+  }
+
+  @return if($return-calc == true, calc(#{$value1} + #{$value2}), $value1 + unquote(" + ") + $value2);
+}
+
+@function subtract($value1, $value2, $return-calc: true) {
+  @if $value1 == null and $value2 == null {
+    @return null;
+  }
+
+  @if $value1 == null {
+    @return -$value2;
+  }
+
+  @if $value2 == null {
+    @return $value1;
+  }
+
+  @if type-of($value1) == number and type-of($value2) == number and comparable($value1, $value2) {
+    @return $value1 - $value2;
+  }
+
+  @if type-of($value2) != number {
+    $value2: unquote("(") + $value2 + unquote(")");
+  }
+
+  @return if($return-calc == true, calc(#{$value1} - #{$value2}), $value1 + unquote(" - ") + $value2);
+}
+
+@function divide($dividend, $divisor, $precision: 10) {
+  $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
+  $dividend: abs($dividend);
+  $divisor: abs($divisor);
+  @if $dividend == 0 {
+    @return 0;
+  }
+  @if $divisor == 0 {
+    @error "Cannot divide by 0";
+  }
+  $remainder: $dividend;
+  $result: 0;
+  $factor: 10;
+  @while ($remainder > 0 and $precision >= 0) {
+    $quotient: 0;
+    @while ($remainder >= $divisor) {
+      $remainder: $remainder - $divisor;
+      $quotient: $quotient + 1;
+    }
+    $result: $result * 10 + $quotient;
+    $factor: $factor * .1;
+    $remainder: $remainder * 10;
+    $precision: $precision - 1;
+    @if ($precision < 0 and $remainder >= $divisor * 5) {
+      $result: $result + 1;
+    }
+  }
+  $result: $result * $factor * $sign;
+  $dividend-unit: unit($dividend);
+  $divisor-unit: unit($divisor);
+  $unit-map: (
+    "px": 1px,
+    "rem": 1rem,
+    "em": 1em,
+    "%": 1%
+  );
+  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
+    $result: $result * map-get($unit-map, $dividend-unit);
+  }
+  @return $result;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_grid.scss

@@ -0,0 +1,73 @@
+// Container widths
+//
+// Set the container width, and override it for fixed navbars in media queries.
+
+@if $enable-grid-classes {
+  // Single container class with breakpoint max-widths
+  .container,
+  // 100% wide container at all breakpoints
+  .container-fluid {
+    @include make-container();
+  }
+
+  // Responsive containers that are 100% wide until a breakpoint
+  @each $breakpoint, $container-max-width in $container-max-widths {
+    .container-#{$breakpoint} {
+      @extend .container-fluid;
+    }
+
+    @include media-breakpoint-up($breakpoint, $grid-breakpoints) {
+      %responsive-container-#{$breakpoint} {
+        max-width: $container-max-width;
+      }
+
+      // Extend each breakpoint which is smaller or equal to the current breakpoint
+      $extend-breakpoint: true;
+
+      @each $name, $width in $grid-breakpoints {
+        @if ($extend-breakpoint) {
+          .container#{breakpoint-infix($name, $grid-breakpoints)} {
+            @extend %responsive-container-#{$breakpoint};
+          }
+
+          // Once the current breakpoint is reached, stop extending
+          @if ($breakpoint == $name) {
+            $extend-breakpoint: false;
+          }
+        }
+      }
+    }
+  }
+}
+
+
+// Row
+//
+// Rows contain your columns.
+
+@if $enable-grid-classes {
+  .row {
+    @include make-row();
+  }
+
+  // Remove the negative margin from default .row, then the horizontal padding
+  // from all immediate children columns (to prevent runaway style inheritance).
+  .no-gutters {
+    margin-right: 0;
+    margin-left: 0;
+
+    > .col,
+    > [class*="col-"] {
+      padding-right: 0;
+      padding-left: 0;
+    }
+  }
+}
+
+// Columns
+//
+// Common styles for small and large grid columns
+
+@if $enable-grid-classes {
+  @include make-grid-columns();
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_images.scss

@@ -0,0 +1,42 @@
+// Responsive images (ensure images don't scale beyond their parents)
+//
+// This is purposefully opt-in via an explicit class rather than being the default for all `<img>`s.
+// We previously tried the "images are responsive by default" approach in Bootstrap v2,
+// and abandoned it in Bootstrap v3 because it breaks lots of third-party widgets (including Google Maps)
+// which weren't expecting the images within themselves to be involuntarily resized.
+// See also https://github.com/twbs/bootstrap/issues/18178
+.img-fluid {
+  @include img-fluid();
+}
+
+
+// Image thumbnails
+.img-thumbnail {
+  padding: $thumbnail-padding;
+  background-color: $thumbnail-bg;
+  border: $thumbnail-border-width solid $thumbnail-border-color;
+  @include border-radius($thumbnail-border-radius);
+  @include box-shadow($thumbnail-box-shadow);
+
+  // Keep them at most 100% wide
+  @include img-fluid();
+}
+
+//
+// Figures
+//
+
+.figure {
+  // Ensures the caption's text aligns with the image.
+  display: inline-block;
+}
+
+.figure-img {
+  margin-bottom: $spacer * .5;
+  line-height: 1;
+}
+
+.figure-caption {
+  @include font-size($figure-caption-font-size);
+  color: $figure-caption-color;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_input-group.scss

@@ -0,0 +1,211 @@
+// stylelint-disable selector-no-qualifying-type
+
+//
+// Base styles
+//
+
+.input-group {
+  position: relative;
+  display: flex;
+  flex-wrap: wrap; // For form validation feedback
+  align-items: stretch;
+  width: 100%;
+
+  > .form-control,
+  > .form-control-plaintext,
+  > .custom-select,
+  > .custom-file {
+    position: relative; // For focus state's z-index
+    flex: 1 1 auto;
+    width: 1%;
+    min-width: 0; // https://stackoverflow.com/questions/36247140/why-dont-flex-items-shrink-past-content-size
+    margin-bottom: 0;
+
+    + .form-control,
+    + .custom-select,
+    + .custom-file {
+      margin-left: -$input-border-width;
+    }
+  }
+
+  // Bring the "active" form control to the top of surrounding elements
+  > .form-control:focus,
+  > .custom-select:focus,
+  > .custom-file .custom-file-input:focus ~ .custom-file-label {
+    z-index: 3;
+  }
+
+  // Bring the custom file input above the label
+  > .custom-file .custom-file-input:focus {
+    z-index: 4;
+  }
+
+  > .form-control,
+  > .custom-select {
+    &:not(:first-child) { @include border-left-radius(0); }
+  }
+
+  // Custom file inputs have more complex markup, thus requiring different
+  // border-radius overrides.
+  > .custom-file {
+    display: flex;
+    align-items: center;
+
+    &:not(:last-child) .custom-file-label,
+    &:not(:last-child) .custom-file-label::after { @include border-right-radius(0); }
+    &:not(:first-child) .custom-file-label { @include border-left-radius(0); }
+  }
+
+  &:not(.has-validation) {
+    > .form-control:not(:last-child),
+    > .custom-select:not(:last-child),
+    > .custom-file:not(:last-child) .custom-file-label,
+    > .custom-file:not(:last-child) .custom-file-label::after {
+      @include border-right-radius(0);
+    }
+  }
+
+  &.has-validation {
+    > .form-control:nth-last-child(n + 3),
+    > .custom-select:nth-last-child(n + 3),
+    > .custom-file:nth-last-child(n + 3) .custom-file-label,
+    > .custom-file:nth-last-child(n + 3) .custom-file-label::after {
+      @include border-right-radius(0);
+    }
+  }
+}
+
+
+// Prepend and append
+//
+// While it requires one extra layer of HTML for each, dedicated prepend and
+// append elements allow us to 1) be less clever, 2) simplify our selectors, and
+// 3) support HTML5 form validation.
+
+.input-group-prepend,
+.input-group-append {
+  display: flex;
+
+  // Ensure buttons are always above inputs for more visually pleasing borders.
+  // This isn't needed for `.input-group-text` since it shares the same border-color
+  // as our inputs.
+  .btn {
+    position: relative;
+    z-index: 2;
+
+    &:focus {
+      z-index: 3;
+    }
+  }
+
+  .btn + .btn,
+  .btn + .input-group-text,
+  .input-group-text + .input-group-text,
+  .input-group-text + .btn {
+    margin-left: -$input-border-width;
+  }
+}
+
+.input-group-prepend { margin-right: -$input-border-width; }
+.input-group-append { margin-left: -$input-border-width; }
+
+
+// Textual addons
+//
+// Serves as a catch-all element for any text or radio/checkbox input you wish
+// to prepend or append to an input.
+
+.input-group-text {
+  display: flex;
+  align-items: center;
+  padding: $input-padding-y $input-padding-x;
+  margin-bottom: 0; // Allow use of <label> elements by overriding our default margin-bottom
+  @include font-size($input-font-size); // Match inputs
+  font-weight: $font-weight-normal;
+  line-height: $input-line-height;
+  color: $input-group-addon-color;
+  text-align: center;
+  white-space: nowrap;
+  background-color: $input-group-addon-bg;
+  border: $input-border-width solid $input-group-addon-border-color;
+  @include border-radius($input-border-radius);
+
+  // Nuke default margins from checkboxes and radios to vertically center within.
+  input[type="radio"],
+  input[type="checkbox"] {
+    margin-top: 0;
+  }
+}
+
+
+// Sizing
+//
+// Remix the default form control sizing classes into new ones for easier
+// manipulation.
+
+.input-group-lg > .form-control:not(textarea),
+.input-group-lg > .custom-select {
+  height: $input-height-lg;
+}
+
+.input-group-lg > .form-control,
+.input-group-lg > .custom-select,
+.input-group-lg > .input-group-prepend > .input-group-text,
+.input-group-lg > .input-group-append > .input-group-text,
+.input-group-lg > .input-group-prepend > .btn,
+.input-group-lg > .input-group-append > .btn {
+  padding: $input-padding-y-lg $input-padding-x-lg;
+  @include font-size($input-font-size-lg);
+  line-height: $input-line-height-lg;
+  @include border-radius($input-border-radius-lg);
+}
+
+.input-group-sm > .form-control:not(textarea),
+.input-group-sm > .custom-select {
+  height: $input-height-sm;
+}
+
+.input-group-sm > .form-control,
+.input-group-sm > .custom-select,
+.input-group-sm > .input-group-prepend > .input-group-text,
+.input-group-sm > .input-group-append > .input-group-text,
+.input-group-sm > .input-group-prepend > .btn,
+.input-group-sm > .input-group-append > .btn {
+  padding: $input-padding-y-sm $input-padding-x-sm;
+  @include font-size($input-font-size-sm);
+  line-height: $input-line-height-sm;
+  @include border-radius($input-border-radius-sm);
+}
+
+.input-group-lg > .custom-select,
+.input-group-sm > .custom-select {
+  padding-right: $custom-select-padding-x + $custom-select-indicator-padding;
+}
+
+
+// Prepend and append rounded corners
+//
+// These rulesets must come after the sizing ones to properly override sm and lg
+// border-radius values when extending. They're more specific than we'd like
+// with the `.input-group >` part, but without it, we cannot override the sizing.
+
+
+.input-group > .input-group-prepend > .btn,
+.input-group > .input-group-prepend > .input-group-text,
+.input-group:not(.has-validation) > .input-group-append:not(:last-child) > .btn,
+.input-group:not(.has-validation) > .input-group-append:not(:last-child) > .input-group-text,
+.input-group.has-validation > .input-group-append:nth-last-child(n + 3) > .btn,
+.input-group.has-validation > .input-group-append:nth-last-child(n + 3) > .input-group-text,
+.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle),
+.input-group > .input-group-append:last-child > .input-group-text:not(:last-child) {
+  @include border-right-radius(0);
+}
+
+.input-group > .input-group-append > .btn,
+.input-group > .input-group-append > .input-group-text,
+.input-group > .input-group-prepend:not(:first-child) > .btn,
+.input-group > .input-group-prepend:not(:first-child) > .input-group-text,
+.input-group > .input-group-prepend:first-child > .btn:not(:first-child),
+.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) {
+  @include border-left-radius(0);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_jumbotron.scss

@@ -0,0 +1,17 @@
+.jumbotron {
+  padding: $jumbotron-padding ($jumbotron-padding * .5);
+  margin-bottom: $jumbotron-padding;
+  color: $jumbotron-color;
+  background-color: $jumbotron-bg;
+  @include border-radius($border-radius-lg);
+
+  @include media-breakpoint-up(sm) {
+    padding: ($jumbotron-padding * 2) $jumbotron-padding;
+  }
+}
+
+.jumbotron-fluid {
+  padding-right: 0;
+  padding-left: 0;
+  @include border-radius(0);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_list-group.scss

@@ -0,0 +1,154 @@
+// Base class
+//
+// Easily usable on <ul>, <ol>, or <div>.
+
+.list-group {
+  display: flex;
+  flex-direction: column;
+
+  // No need to set list-style: none; since .list-group-item is block level
+  padding-left: 0; // reset padding because ul and ol
+  margin-bottom: 0;
+  @include border-radius($list-group-border-radius);
+}
+
+
+// Interactive list items
+//
+// Use anchor or button elements instead of `li`s or `div`s to create interactive
+// list items. Includes an extra `.active` modifier class for selected items.
+
+.list-group-item-action {
+  width: 100%; // For `<button>`s (anchors become 100% by default though)
+  color: $list-group-action-color;
+  text-align: inherit; // For `<button>`s (anchors inherit)
+
+  // Hover state
+  @include hover-focus() {
+    z-index: 1; // Place hover/focus items above their siblings for proper border styling
+    color: $list-group-action-hover-color;
+    text-decoration: none;
+    background-color: $list-group-hover-bg;
+  }
+
+  &:active {
+    color: $list-group-action-active-color;
+    background-color: $list-group-action-active-bg;
+  }
+}
+
+
+// Individual list items
+//
+// Use on `li`s or `div`s within the `.list-group` parent.
+
+.list-group-item {
+  position: relative;
+  display: block;
+  padding: $list-group-item-padding-y $list-group-item-padding-x;
+  color: $list-group-color;
+  text-decoration: if($link-decoration == none, null, none);
+  background-color: $list-group-bg;
+  border: $list-group-border-width solid $list-group-border-color;
+
+  &:first-child {
+    @include border-top-radius(inherit);
+  }
+
+  &:last-child {
+    @include border-bottom-radius(inherit);
+  }
+
+  &.disabled,
+  &:disabled {
+    color: $list-group-disabled-color;
+    pointer-events: none;
+    background-color: $list-group-disabled-bg;
+  }
+
+  // Include both here for `<a>`s and `<button>`s
+  &.active {
+    z-index: 2; // Place active items above their siblings for proper border styling
+    color: $list-group-active-color;
+    background-color: $list-group-active-bg;
+    border-color: $list-group-active-border-color;
+  }
+
+  & + & {
+    border-top-width: 0;
+
+    &.active {
+      margin-top: -$list-group-border-width;
+      border-top-width: $list-group-border-width;
+    }
+  }
+}
+
+
+// Horizontal
+//
+// Change the layout of list group items from vertical (default) to horizontal.
+
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
+
+    .list-group-horizontal#{$infix} {
+      flex-direction: row;
+
+      > .list-group-item {
+        &:first-child {
+          @include border-bottom-left-radius($list-group-border-radius);
+          @include border-top-right-radius(0);
+        }
+
+        &:last-child {
+          @include border-top-right-radius($list-group-border-radius);
+          @include border-bottom-left-radius(0);
+        }
+
+        &.active {
+          margin-top: 0;
+        }
+
+        + .list-group-item {
+          border-top-width: $list-group-border-width;
+          border-left-width: 0;
+
+          &.active {
+            margin-left: -$list-group-border-width;
+            border-left-width: $list-group-border-width;
+          }
+        }
+      }
+    }
+  }
+}
+
+
+// Flush list items
+//
+// Remove borders and border-radius to keep list group items edge-to-edge. Most
+// useful within other components (e.g., cards).
+
+.list-group-flush {
+  @include border-radius(0);
+
+  > .list-group-item {
+    border-width: 0 0 $list-group-border-width;
+
+    &:last-child {
+      border-bottom-width: 0;
+    }
+  }
+}
+
+
+// Contextual variants
+//
+// Add modifier classes to change text and background color on individual items.
+// Organizationally, this must come after the `:hover` states.
+
+@each $color, $value in $theme-colors {
+  @include list-group-item-variant($color, theme-color-level($color, -9), theme-color-level($color, 6));
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_media.scss

@@ -0,0 +1,8 @@
+.media {
+  display: flex;
+  align-items: flex-start;
+}
+
+.media-body {
+  flex: 1;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_mixins.scss

@@ -0,0 +1,56 @@
+// Toggles
+//
+// Used in conjunction with global variables to enable certain theme features.
+
+// Vendor Prefix Mixins
+@import "vp-mixins/variables";
+@import "vp-mixins/flexbox";
+@import "vp-mixins/general";
+@import "vp-mixins/forms";
+@import "vp-mixins/transitions";
+@import "vp-mixins/backgrounds";
+// @import "vp-mixins/_sass-prefixer.scss";
+
+// Vendor
+@import "vendor/rfs";
+
+// Deprecate
+@import "mixins/deprecate";
+
+// Utilities
+@import "mixins/breakpoints";
+@import "mixins/hover";
+@import "mixins/image";
+@import "mixins/badge";
+@import "mixins/resize";
+@import "mixins/screen-reader";
+@import "mixins/size";
+@import "mixins/reset-text";
+@import "mixins/text-emphasis";
+@import "mixins/text-hide";
+@import "mixins/text-truncate";
+@import "mixins/visibility";
+
+// Components
+@import "mixins/alert";
+@import "mixins/buttons";
+@import "mixins/caret";
+@import "mixins/pagination";
+@import "mixins/lists";
+@import "mixins/list-group";
+@import "mixins/nav-divider";
+@import "mixins/forms";
+@import "mixins/table-row";
+
+// Skins
+@import "mixins/background-variant";
+@import "mixins/border-radius";
+@import "mixins/box-shadow";
+@import "mixins/gradients";
+@import "mixins/transition";
+
+// Layout
+@import "mixins/clearfix";
+@import "mixins/grid-framework";
+@import "mixins/grid";
+@import "mixins/float";

include/thirdparty/Bootstrap4.6/scss/bootstrap/_modal.scss

@@ -0,0 +1,240 @@
+// .modal-open      - body class for killing the scroll
+// .modal           - container to scroll within
+// .modal-dialog    - positioning shell for the actual modal
+// .modal-content   - actual modal w/ bg and corners and stuff
+
+
+.modal-open {
+  // Kill the scroll on the body
+  overflow: hidden;
+
+  .modal {
+    overflow-x: hidden;
+    overflow-y: auto;
+  }
+}
+
+// Container that the modal scrolls within
+.modal {
+  position: fixed;
+  top: 0;
+  left: 0;
+  z-index: $zindex-modal;
+  display: none;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+  // Prevent Chrome on Windows from adding a focus outline. For details, see
+  // https://github.com/twbs/bootstrap/pull/10951.
+  outline: 0;
+  // We deliberately don't use `-webkit-overflow-scrolling: touch;` due to a
+  // gnarly iOS Safari bug: https://bugs.webkit.org/show_bug.cgi?id=158342
+  // See also https://github.com/twbs/bootstrap/issues/17695
+}
+
+// Shell div to position the modal with bottom padding
+.modal-dialog {
+  position: relative;
+  width: auto;
+  margin: $modal-dialog-margin;
+  // allow clicks to pass through for custom click handling to close modal
+  pointer-events: none;
+
+  // When fading in the modal, animate it to slide down
+  .modal.fade & {
+    @include transition($modal-transition);
+    transform: $modal-fade-transform;
+  }
+  .modal.show & {
+    transform: $modal-show-transform;
+  }
+
+  // When trying to close, animate focus to scale
+  .modal.modal-static & {
+    transform: $modal-scale-transform;
+  }
+}
+
+.modal-dialog-scrollable {
+  display: flex; // IE10/11
+  max-height: subtract(100%, $modal-dialog-margin * 2);
+
+  .modal-content {
+    max-height: subtract(100vh, $modal-dialog-margin * 2); // IE10/11
+    overflow: hidden;
+  }
+
+  .modal-header,
+  .modal-footer {
+    flex-shrink: 0;
+  }
+
+  .modal-body {
+    overflow-y: auto;
+  }
+}
+
+.modal-dialog-centered {
+  display: flex;
+  align-items: center;
+  min-height: subtract(100%, $modal-dialog-margin * 2);
+
+  // Ensure `modal-dialog-centered` extends the full height of the view (IE10/11)
+  &::before {
+    display: block; // IE10
+    height: subtract(100vh, $modal-dialog-margin * 2);
+    height: min-content; // Reset height to 0 except on IE
+    content: "";
+  }
+
+  // Ensure `.modal-body` shows scrollbar (IE10/11)
+  &.modal-dialog-scrollable {
+    flex-direction: column;
+    justify-content: center;
+    height: 100%;
+
+    .modal-content {
+      max-height: none;
+    }
+
+    &::before {
+      content: none;
+    }
+  }
+}
+
+// Actual modal
+.modal-content {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  width: 100%; // Ensure `.modal-content` extends the full width of the parent `.modal-dialog`
+  // counteract the pointer-events: none; in the .modal-dialog
+  color: $modal-content-color;
+  pointer-events: auto;
+  background-color: $modal-content-bg;
+  background-clip: padding-box;
+  border: $modal-content-border-width solid $modal-content-border-color;
+  @include border-radius($modal-content-border-radius);
+  @include box-shadow($modal-content-box-shadow-xs);
+  // Remove focus outline from opened modal
+  outline: 0;
+}
+
+// Modal background
+.modal-backdrop {
+  position: fixed;
+  top: 0;
+  left: 0;
+  z-index: $zindex-modal-backdrop;
+  width: 100vw;
+  height: 100vh;
+  background-color: $modal-backdrop-bg;
+
+  // Fade for backdrop
+  &.fade { opacity: 0; }
+  &.show { opacity: $modal-backdrop-opacity; }
+}
+
+// Modal header
+// Top section of the modal w/ title and dismiss
+.modal-header {
+  display: flex;
+  align-items: flex-start; // so the close btn always stays on the upper right corner
+  justify-content: space-between; // Put modal header elements (title and dismiss) on opposite ends
+  padding: $modal-header-padding;
+  border-bottom: $modal-header-border-width solid $modal-header-border-color;
+  @include border-top-radius($modal-content-inner-border-radius);
+
+  .close {
+    padding: $modal-header-padding;
+    // auto on the left force icon to the right even when there is no .modal-title
+    margin: (-$modal-header-padding-y) (-$modal-header-padding-x) (-$modal-header-padding-y) auto;
+  }
+}
+
+// Title text within header
+.modal-title {
+  margin-bottom: 0;
+  line-height: $modal-title-line-height;
+}
+
+// Modal body
+// Where all modal content resides (sibling of .modal-header and .modal-footer)
+.modal-body {
+  position: relative;
+  // Enable `flex-grow: 1` so that the body take up as much space as possible
+  // when there should be a fixed height on `.modal-dialog`.
+  flex: 1 1 auto;
+  padding: $modal-inner-padding;
+}
+
+// Footer (for actions)
+.modal-footer {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center; // vertically center
+  justify-content: flex-end; // Right align buttons with flex property because text-align doesn't work on flex items
+  padding: $modal-inner-padding - $modal-footer-margin-between * .5;
+  border-top: $modal-footer-border-width solid $modal-footer-border-color;
+  @include border-bottom-radius($modal-content-inner-border-radius);
+
+  // Place margin between footer elements
+  // This solution is far from ideal because of the universal selector usage,
+  // but is needed to fix https://github.com/twbs/bootstrap/issues/24800
+  > * {
+    margin: $modal-footer-margin-between * .5;
+  }
+}
+
+// Measure scrollbar width for padding body during modal show/hide
+.modal-scrollbar-measure {
+  position: absolute;
+  top: -9999px;
+  width: 50px;
+  height: 50px;
+  overflow: scroll;
+}
+
+// Scale up the modal
+@include media-breakpoint-up(sm) {
+  // Automatically set modal's width for larger viewports
+  .modal-dialog {
+    max-width: $modal-md;
+    margin: $modal-dialog-margin-y-sm-up auto;
+  }
+
+  .modal-dialog-scrollable {
+    max-height: subtract(100%, $modal-dialog-margin-y-sm-up * 2);
+
+    .modal-content {
+      max-height: subtract(100vh, $modal-dialog-margin-y-sm-up * 2);
+    }
+  }
+
+  .modal-dialog-centered {
+    min-height: subtract(100%, $modal-dialog-margin-y-sm-up * 2);
+
+    &::before {
+      height: subtract(100vh, $modal-dialog-margin-y-sm-up * 2);
+      height: min-content;
+    }
+  }
+
+  .modal-content {
+    @include box-shadow($modal-content-box-shadow-sm-up);
+  }
+
+  .modal-sm { max-width: $modal-sm; }
+}
+
+@include media-breakpoint-up(lg) {
+  .modal-lg,
+  .modal-xl {
+    max-width: $modal-lg;
+  }
+}
+
+@include media-breakpoint-up(xl) {
+  .modal-xl { max-width: $modal-xl; }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_nav.scss

@@ -0,0 +1,125 @@
+// Base class
+//
+// Kickstart any navigation component with a set of style resets. Works with
+// `<nav>`s, `<ul>`s or `<ol>`s.
+
+.nav {
+  display: flex;
+  flex-wrap: wrap;
+  padding-left: 0;
+  margin-bottom: 0;
+  list-style: none;
+}
+
+.nav-link {
+  display: block;
+  padding: $nav-link-padding-y $nav-link-padding-x;
+  text-decoration: if($link-decoration == none, null, none);
+
+  @include hover-focus() {
+    text-decoration: none;
+  }
+
+  // Disabled state lightens text
+  &.disabled {
+    color: $nav-link-disabled-color;
+    pointer-events: none;
+    cursor: default;
+  }
+}
+
+//
+// Tabs
+//
+
+.nav-tabs {
+  border-bottom: $nav-tabs-border-width solid $nav-tabs-border-color;
+
+  .nav-link {
+    margin-bottom: -$nav-tabs-border-width;
+    background-color: transparent;
+    border: $nav-tabs-border-width solid transparent;
+    @include border-top-radius($nav-tabs-border-radius);
+
+    @include hover-focus() {
+      // Prevents active .nav-link tab overlapping focus outline of previous/next .nav-link
+      isolation: isolate;
+      border-color: $nav-tabs-link-hover-border-color;
+    }
+
+    &.disabled {
+      color: $nav-link-disabled-color;
+      background-color: transparent;
+      border-color: transparent;
+    }
+  }
+
+  .nav-link.active,
+  .nav-item.show .nav-link {
+    color: $nav-tabs-link-active-color;
+    background-color: $nav-tabs-link-active-bg;
+    border-color: $nav-tabs-link-active-border-color;
+  }
+
+  .dropdown-menu {
+    // Make dropdown border overlap tab border
+    margin-top: -$nav-tabs-border-width;
+    // Remove the top rounded corners here since there is a hard edge above the menu
+    @include border-top-radius(0);
+  }
+}
+
+
+//
+// Pills
+//
+
+.nav-pills {
+  .nav-link {
+    background: none;
+    border: 0;
+    @include border-radius($nav-pills-border-radius);
+  }
+
+  .nav-link.active,
+  .show > .nav-link {
+    color: $nav-pills-link-active-color;
+    background-color: $nav-pills-link-active-bg;
+  }
+}
+
+
+//
+// Justified variants
+//
+
+.nav-fill {
+  > .nav-link,
+  .nav-item {
+    flex: 1 1 auto;
+    text-align: center;
+  }
+}
+
+.nav-justified {
+  > .nav-link,
+  .nav-item {
+    flex-basis: 0;
+    flex-grow: 1;
+    text-align: center;
+  }
+}
+
+
+// Tabbable tabs
+//
+// Hide tabbable panes to start, show them when `.active`
+
+.tab-content {
+  > .tab-pane {
+    display: none;
+  }
+  > .active {
+    display: block;
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_navbar.scss

@@ -0,0 +1,332 @@
+// Contents
+//
+// Navbar
+// Navbar brand
+// Navbar nav
+// Navbar text
+// Navbar divider
+// Responsive navbar
+// Navbar position
+// Navbar themes
+
+
+// Navbar
+//
+// Provide a static navbar from which we expand to create full-width, fixed, and
+// other navbar variations.
+
+.navbar {
+  position: relative;
+  display: flex;
+  flex-wrap: wrap; // allow us to do the line break for collapsing content
+  align-items: center;
+  justify-content: space-between; // space out brand from logo
+  padding: $navbar-padding-y $navbar-padding-x;
+
+  // Because flex properties aren't inherited, we need to redeclare these first
+  // few properties so that content nested within behave properly.
+  %container-flex-properties {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    justify-content: space-between;
+  }
+
+  .container,
+  .container-fluid {
+    @extend %container-flex-properties;
+  }
+
+  @each $breakpoint, $container-max-width in $container-max-widths {
+    > .container#{breakpoint-infix($breakpoint, $container-max-widths)} {
+      @extend %container-flex-properties;
+    }
+  }
+}
+
+
+// Navbar brand
+//
+// Used for brand, project, or site names.
+
+.navbar-brand {
+  display: inline-block;
+  padding-top: $navbar-brand-padding-y;
+  padding-bottom: $navbar-brand-padding-y;
+  margin-right: $navbar-padding-x;
+  @include font-size($navbar-brand-font-size);
+  line-height: inherit;
+  white-space: nowrap;
+
+  @include hover-focus() {
+    text-decoration: none;
+  }
+}
+
+
+// Navbar nav
+//
+// Custom navbar navigation (doesn't require `.nav`, but does make use of `.nav-link`).
+
+.navbar-nav {
+  display: flex;
+  flex-direction: column; // cannot use `inherit` to get the `.navbar`s value
+  padding-left: 0;
+  margin-bottom: 0;
+  list-style: none;
+
+  .nav-link {
+    padding-right: 0;
+    padding-left: 0;
+  }
+
+  .dropdown-menu {
+    position: static;
+    float: none;
+  }
+}
+
+
+// Navbar text
+//
+//
+
+.navbar-text {
+  display: inline-block;
+  padding-top: $nav-link-padding-y;
+  padding-bottom: $nav-link-padding-y;
+}
+
+
+// Responsive navbar
+//
+// Custom styles for responsive collapsing and toggling of navbar contents.
+// Powered by the collapse Bootstrap JavaScript plugin.
+
+// When collapsed, prevent the toggleable navbar contents from appearing in
+// the default flexbox row orientation. Requires the use of `flex-wrap: wrap`
+// on the `.navbar` parent.
+.navbar-collapse {
+  flex-basis: 100%;
+  flex-grow: 1;
+  // For always expanded or extra full navbars, ensure content aligns itself
+  // properly vertically. Can be easily overridden with flex utilities.
+  align-items: center;
+}
+
+// Button for toggling the navbar when in its collapsed state
+.navbar-toggler {
+  padding: $navbar-toggler-padding-y $navbar-toggler-padding-x;
+  @include font-size($navbar-toggler-font-size);
+  line-height: 1;
+  background-color: transparent; // remove default button style
+  border: $border-width solid transparent; // remove default button style
+  @include border-radius($navbar-toggler-border-radius);
+
+  @include hover-focus() {
+    text-decoration: none;
+  }
+}
+
+// Keep as a separate element so folks can easily override it with another icon
+// or image file as needed.
+.navbar-toggler-icon {
+  display: inline-block;
+  width: 1.5em;
+  height: 1.5em;
+  vertical-align: middle;
+  content: "";
+  background: 50% / 100% 100% no-repeat;
+}
+
+.navbar-nav-scroll {
+  max-height: $navbar-nav-scroll-max-height;
+  overflow-y: auto;
+}
+
+// Generate series of `.navbar-expand-*` responsive classes for configuring
+// where your navbar collapses.
+.navbar-expand {
+  @each $breakpoint in map-keys($grid-breakpoints) {
+    $next: breakpoint-next($breakpoint, $grid-breakpoints);
+    $infix: breakpoint-infix($next, $grid-breakpoints);
+
+    &#{$infix} {
+      @include media-breakpoint-down($breakpoint) {
+        %container-navbar-expand-#{$breakpoint} {
+          padding-right: 0;
+          padding-left: 0;
+        }
+
+        > .container,
+        > .container-fluid {
+          @extend %container-navbar-expand-#{$breakpoint};
+        }
+
+        @each $size, $container-max-width in $container-max-widths {
+          > .container#{breakpoint-infix($size, $container-max-widths)} {
+            @extend %container-navbar-expand-#{$breakpoint};
+          }
+        }
+      }
+
+      @include media-breakpoint-up($next) {
+        flex-flow: row nowrap;
+        justify-content: flex-start;
+
+        .navbar-nav {
+          flex-direction: row;
+
+          .dropdown-menu {
+            position: absolute;
+          }
+
+          .nav-link {
+            padding-right: $navbar-nav-link-padding-x;
+            padding-left: $navbar-nav-link-padding-x;
+          }
+        }
+
+        // For nesting containers, have to redeclare for alignment purposes
+        %container-nesting-#{$breakpoint} {
+          flex-wrap: nowrap;
+        }
+
+        > .container,
+        > .container-fluid {
+          @extend %container-nesting-#{$breakpoint};
+        }
+
+        @each $size, $container-max-width in $container-max-widths {
+          > .container#{breakpoint-infix($size, $container-max-widths)} {
+            @extend %container-nesting-#{$breakpoint};
+          }
+        }
+
+        .navbar-nav-scroll {
+          overflow: visible;
+        }
+
+        .navbar-collapse {
+          display: flex !important; // stylelint-disable-line declaration-no-important
+
+          // Changes flex-bases to auto because of an IE10 bug
+          flex-basis: auto;
+        }
+
+        .navbar-toggler {
+          display: none;
+        }
+      }
+    }
+  }
+}
+
+
+// Navbar themes
+//
+// Styles for switching between navbars with light or dark background.
+
+// Dark links against a light background
+.navbar-light {
+  .navbar-brand {
+    color: $navbar-light-brand-color;
+
+    @include hover-focus() {
+      color: $navbar-light-brand-hover-color;
+    }
+  }
+
+  .navbar-nav {
+    .nav-link {
+      color: $navbar-light-color;
+
+      @include hover-focus() {
+        color: $navbar-light-hover-color;
+      }
+
+      &.disabled {
+        color: $navbar-light-disabled-color;
+      }
+    }
+
+    .show > .nav-link,
+    .active > .nav-link,
+    .nav-link.show,
+    .nav-link.active {
+      color: $navbar-light-active-color;
+    }
+  }
+
+  .navbar-toggler {
+    color: $navbar-light-color;
+    border-color: $navbar-light-toggler-border-color;
+  }
+
+  .navbar-toggler-icon {
+    background-image: escape-svg($navbar-light-toggler-icon-bg);
+  }
+
+  .navbar-text {
+    color: $navbar-light-color;
+    a {
+      color: $navbar-light-active-color;
+
+      @include hover-focus() {
+        color: $navbar-light-active-color;
+      }
+    }
+  }
+}
+
+// White links against a dark background
+.navbar-dark {
+  .navbar-brand {
+    color: $navbar-dark-brand-color;
+
+    @include hover-focus() {
+      color: $navbar-dark-brand-hover-color;
+    }
+  }
+
+  .navbar-nav {
+    .nav-link {
+      color: $navbar-dark-color;
+
+      @include hover-focus() {
+        color: $navbar-dark-hover-color;
+      }
+
+      &.disabled {
+        color: $navbar-dark-disabled-color;
+      }
+    }
+
+    .show > .nav-link,
+    .active > .nav-link,
+    .nav-link.show,
+    .nav-link.active {
+      color: $navbar-dark-active-color;
+    }
+  }
+
+  .navbar-toggler {
+    color: $navbar-dark-color;
+    border-color: $navbar-dark-toggler-border-color;
+  }
+
+  .navbar-toggler-icon {
+    background-image: escape-svg($navbar-dark-toggler-icon-bg);
+  }
+
+  .navbar-text {
+    color: $navbar-dark-color;
+    a {
+      color: $navbar-dark-active-color;
+
+      @include hover-focus() {
+        color: $navbar-dark-active-color;
+      }
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_pagination.scss

@@ -0,0 +1,74 @@
+.pagination {
+  display: flex;
+  @include list-unstyled();
+  @include border-radius();
+}
+
+.page-link {
+  position: relative;
+  display: block;
+  padding: $pagination-padding-y $pagination-padding-x;
+  margin-left: -$pagination-border-width;
+  line-height: $pagination-line-height;
+  color: $pagination-color;
+  text-decoration: if($link-decoration == none, null, none);
+  background-color: $pagination-bg;
+  border: $pagination-border-width solid $pagination-border-color;
+
+  &:hover {
+    z-index: 2;
+    color: $pagination-hover-color;
+    text-decoration: none;
+    background-color: $pagination-hover-bg;
+    border-color: $pagination-hover-border-color;
+  }
+
+  &:focus {
+    z-index: 3;
+    outline: $pagination-focus-outline;
+    box-shadow: $pagination-focus-box-shadow;
+  }
+}
+
+.page-item {
+  &:first-child {
+    .page-link {
+      margin-left: 0;
+      @include border-left-radius($border-radius);
+    }
+  }
+  &:last-child {
+    .page-link {
+      @include border-right-radius($border-radius);
+    }
+  }
+
+  &.active .page-link {
+    z-index: 3;
+    color: $pagination-active-color;
+    background-color: $pagination-active-bg;
+    border-color: $pagination-active-border-color;
+  }
+
+  &.disabled .page-link {
+    color: $pagination-disabled-color;
+    pointer-events: none;
+    // Opinionated: remove the "hand" cursor set previously for .page-link
+    cursor: auto;
+    background-color: $pagination-disabled-bg;
+    border-color: $pagination-disabled-border-color;
+  }
+}
+
+
+//
+// Sizing
+//
+
+.pagination-lg {
+  @include pagination-size($pagination-padding-y-lg, $pagination-padding-x-lg, $font-size-lg, $line-height-lg, $pagination-border-radius-lg);
+}
+
+.pagination-sm {
+  @include pagination-size($pagination-padding-y-sm, $pagination-padding-x-sm, $font-size-sm, $line-height-sm, $pagination-border-radius-sm);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_popover.scss

@@ -0,0 +1,170 @@
+.popover {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: $zindex-popover;
+  display: block;
+  max-width: $popover-max-width;
+  // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
+  // So reset our font and text properties to avoid inheriting weird values.
+  @include reset-text();
+  @include font-size($popover-font-size);
+  // Allow breaking very long words so they don't overflow the popover's bounds
+  word-wrap: break-word;
+  background-color: $popover-bg;
+  background-clip: padding-box;
+  border: $popover-border-width solid $popover-border-color;
+  @include border-radius($popover-border-radius);
+  @include box-shadow($popover-box-shadow);
+
+  .arrow {
+    position: absolute;
+    display: block;
+    width: $popover-arrow-width;
+    height: $popover-arrow-height;
+    margin: 0 $popover-border-radius;
+
+    &::before,
+    &::after {
+      position: absolute;
+      display: block;
+      content: "";
+      border-color: transparent;
+      border-style: solid;
+    }
+  }
+}
+
+.bs-popover-top {
+  margin-bottom: $popover-arrow-height;
+
+  > .arrow {
+    bottom: subtract(-$popover-arrow-height, $popover-border-width);
+
+    &::before {
+      bottom: 0;
+      border-width: $popover-arrow-height ($popover-arrow-width * .5) 0;
+      border-top-color: $popover-arrow-outer-color;
+    }
+
+    &::after {
+      bottom: $popover-border-width;
+      border-width: $popover-arrow-height ($popover-arrow-width * .5) 0;
+      border-top-color: $popover-arrow-color;
+    }
+  }
+}
+
+.bs-popover-right {
+  margin-left: $popover-arrow-height;
+
+  > .arrow {
+    left: subtract(-$popover-arrow-height, $popover-border-width);
+    width: $popover-arrow-height;
+    height: $popover-arrow-width;
+    margin: $popover-border-radius 0; // make sure the arrow does not touch the popover's rounded corners
+
+    &::before {
+      left: 0;
+      border-width: ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5) 0;
+      border-right-color: $popover-arrow-outer-color;
+    }
+
+    &::after {
+      left: $popover-border-width;
+      border-width: ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5) 0;
+      border-right-color: $popover-arrow-color;
+    }
+  }
+}
+
+.bs-popover-bottom {
+  margin-top: $popover-arrow-height;
+
+  > .arrow {
+    top: subtract(-$popover-arrow-height, $popover-border-width);
+
+    &::before {
+      top: 0;
+      border-width: 0 ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5);
+      border-bottom-color: $popover-arrow-outer-color;
+    }
+
+    &::after {
+      top: $popover-border-width;
+      border-width: 0 ($popover-arrow-width * .5) $popover-arrow-height ($popover-arrow-width * .5);
+      border-bottom-color: $popover-arrow-color;
+    }
+  }
+
+  // This will remove the popover-header's border just below the arrow
+  .popover-header::before {
+    position: absolute;
+    top: 0;
+    left: 50%;
+    display: block;
+    width: $popover-arrow-width;
+    margin-left: -$popover-arrow-width * .5;
+    content: "";
+    border-bottom: $popover-border-width solid $popover-header-bg;
+  }
+}
+
+.bs-popover-left {
+  margin-right: $popover-arrow-height;
+
+  > .arrow {
+    right: subtract(-$popover-arrow-height, $popover-border-width);
+    width: $popover-arrow-height;
+    height: $popover-arrow-width;
+    margin: $popover-border-radius 0; // make sure the arrow does not touch the popover's rounded corners
+
+    &::before {
+      right: 0;
+      border-width: ($popover-arrow-width * .5) 0 ($popover-arrow-width * .5) $popover-arrow-height;
+      border-left-color: $popover-arrow-outer-color;
+    }
+
+    &::after {
+      right: $popover-border-width;
+      border-width: ($popover-arrow-width * .5) 0 ($popover-arrow-width * .5) $popover-arrow-height;
+      border-left-color: $popover-arrow-color;
+    }
+  }
+}
+
+.bs-popover-auto {
+  &[x-placement^="top"] {
+    @extend .bs-popover-top;
+  }
+  &[x-placement^="right"] {
+    @extend .bs-popover-right;
+  }
+  &[x-placement^="bottom"] {
+    @extend .bs-popover-bottom;
+  }
+  &[x-placement^="left"] {
+    @extend .bs-popover-left;
+  }
+}
+
+
+// Offset the popover to account for the popover arrow
+.popover-header {
+  padding: $popover-header-padding-y $popover-header-padding-x;
+  margin-bottom: 0; // Reset the default from Reboot
+  @include font-size($font-size-base);
+  color: $popover-header-color;
+  background-color: $popover-header-bg;
+  border-bottom: $popover-border-width solid darken($popover-header-bg, 5%);
+  @include border-top-radius($popover-inner-border-radius);
+
+  &:empty {
+    display: none;
+  }
+}
+
+.popover-body {
+  padding: $popover-body-padding-y $popover-body-padding-x;
+  color: $popover-body-color;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_print.scss

@@ -0,0 +1,132 @@
+// stylelint-disable declaration-no-important, selector-no-qualifying-type
+
+// Source: https://github.com/h5bp/main.css/blob/master/src/_print.css
+
+// ==========================================================================
+// Print styles.
+// Inlined to avoid the additional HTTP request:
+// https://www.phpied.com/delay-loading-your-print-css/
+// ==========================================================================
+
+@if $enable-print-styles {
+  @media print {
+    *,
+    *::before,
+    *::after {
+      // Bootstrap specific; comment out `color` and `background`
+      //color: $black !important; // Black prints faster
+      text-shadow: none !important;
+      //background: transparent !important;
+      box-shadow: none !important;
+    }
+
+    a {
+      &:not(.btn) {
+        text-decoration: underline;
+      }
+    }
+
+    // Bootstrap specific; comment the following selector out
+    //a[href]::after {
+    //  content: " (" attr(href) ")";
+    //}
+
+    abbr[title]::after {
+      content: " (" attr(title) ")";
+    }
+
+    // Bootstrap specific; comment the following selector out
+    //
+    // Don't show links that are fragment identifiers,
+    // or use the `javascript:` pseudo protocol
+    //
+
+    //a[href^="#"]::after,
+    //a[href^="javascript:"]::after {
+    // content: "";
+    //}
+
+    pre {
+      white-space: pre-wrap !important;
+    }
+    pre,
+    blockquote {
+      border: $border-width solid $gray-500; // Bootstrap custom code; using `$border-width` instead of 1px
+      page-break-inside: avoid;
+    }
+
+    tr,
+    img {
+      page-break-inside: avoid;
+    }
+
+    p,
+    h2,
+    h3 {
+      orphans: 3;
+      widows: 3;
+    }
+
+    h2,
+    h3 {
+      page-break-after: avoid;
+    }
+
+    // Bootstrap specific changes start
+
+    // Specify a size and min-width to make printing closer across browsers.
+    // We don't set margin here because it breaks `size` in Chrome. We also
+    // don't use `!important` on `size` as it breaks in Chrome.
+    @page {
+      size: $print-page-size;
+    }
+    body {
+      min-width: $print-body-min-width !important;
+    }
+    .container {
+      min-width: $print-body-min-width !important;
+    }
+
+    // Bootstrap components
+    .navbar {
+      display: none;
+    }
+    .badge {
+      border: $border-width solid $black;
+    }
+
+    .table {
+      border-collapse: collapse !important;
+
+      td,
+      th {
+        background-color: $white !important;
+      }
+    }
+
+    .table-bordered {
+      th,
+      td {
+        border: 1px solid $gray-300 !important;
+      }
+    }
+
+    .table-dark {
+      color: inherit;
+
+      th,
+      td,
+      thead th,
+      tbody + tbody {
+        border-color: $table-border-color;
+      }
+    }
+
+    .table .thead-dark th {
+      color: inherit;
+      border-color: $table-border-color;
+    }
+
+    // Bootstrap specific changes end
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_progress.scss

@@ -0,0 +1,47 @@
+// Disable animation if transitions are disabled
+@if $enable-transitions {
+  @keyframes progress-bar-stripes {
+    from { background-position: $progress-height 0; }
+    to { background-position: 0 0; }
+  }
+}
+
+.progress {
+  display: flex;
+  height: $progress-height;
+  overflow: hidden; // force rounded corners by cropping it
+  line-height: 0;
+  @include font-size($progress-font-size);
+  background-color: $progress-bg;
+  @include border-radius($progress-border-radius);
+  @include box-shadow($progress-box-shadow);
+}
+
+.progress-bar {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  overflow: hidden;
+  color: $progress-bar-color;
+  text-align: center;
+  white-space: nowrap;
+  background-color: $progress-bar-bg;
+  @include transition($progress-bar-transition);
+}
+
+.progress-bar-striped {
+  @include gradient-striped();
+  background-size: $progress-height $progress-height;
+}
+
+@if $enable-transitions {
+  .progress-bar-animated {
+    animation: $progress-bar-animation-timing progress-bar-stripes;
+
+    @if $enable-prefers-reduced-motion-media-query {
+      @media (prefers-reduced-motion: reduce) {
+        animation: none;
+      }
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_reboot.scss

@@ -0,0 +1,484 @@
+// stylelint-disable declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix
+
+// Reboot
+//
+// Normalization of HTML elements, manually forked from Normalize.css to remove
+// styles targeting irrelevant browsers while applying new styles.
+//
+// Normalize is licensed MIT. https://github.com/necolas/normalize.css
+
+
+// Document
+//
+// 1. Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.
+// 2. Change the default font family in all browsers.
+// 3. Correct the line height in all browsers.
+// 4. Prevent adjustments of font size after orientation changes in IE on Windows Phone and in iOS.
+// 5. Change the default tap highlight to be completely transparent in iOS.
+
+*,
+*::before,
+*::after {
+  box-sizing: border-box; // 1
+}
+
+html {
+  font-family: sans-serif; // 2
+  line-height: 1.15; // 3
+  -webkit-text-size-adjust: 100%; // 4
+  -webkit-tap-highlight-color: rgba($black, 0); // 5
+}
+
+// Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
+// TODO: remove in v5
+// stylelint-disable-next-line selector-list-comma-newline-after
+article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
+  display: block;
+}
+
+// Body
+//
+// 1. Remove the margin in all browsers.
+// 2. As a best practice, apply a default `background-color`.
+// 3. Set an explicit initial text-align value so that we can later use
+//    the `inherit` value on things like `<th>` elements.
+
+body {
+  margin: 0; // 1
+  font-family: $font-family-base;
+  @include font-size($font-size-base);
+  font-weight: $font-weight-base;
+  line-height: $line-height-base;
+  color: $body-color;
+  text-align: left; // 3
+  background-color: $body-bg; // 2
+}
+
+// Future-proof rule: in browsers that support :focus-visible, suppress the focus outline
+// on elements that programmatically receive focus but wouldn't normally show a visible
+// focus outline. In general, this would mean that the outline is only applied if the
+// interaction that led to the element receiving programmatic focus was a keyboard interaction,
+// or the browser has somehow determined that the user is primarily a keyboard user and/or
+// wants focus outlines to always be presented.
+//
+// See https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible
+// and https://developer.paciellogroup.com/blog/2018/03/focus-visible-and-backwards-compatibility/
+[tabindex="-1"]:focus:not(:focus-visible) {
+  outline: 0 !important;
+}
+
+
+// Content grouping
+//
+// 1. Add the correct box sizing in Firefox.
+// 2. Show the overflow in Edge and IE.
+
+hr {
+  box-sizing: content-box; // 1
+  height: 0; // 1
+  overflow: visible; // 2
+}
+
+
+//
+// Typography
+//
+
+// Remove top margins from headings
+//
+// By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
+// margin for easier control within type scales as it avoids margin collapsing.
+// stylelint-disable-next-line selector-list-comma-newline-after
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: $headings-margin-bottom;
+}
+
+// Reset margins on paragraphs
+//
+// Similarly, the top margin on `<p>`s get reset. However, we also reset the
+// bottom margin to use `rem` units instead of `em`.
+p {
+  margin-top: 0;
+  margin-bottom: $paragraph-margin-bottom;
+}
+
+// Abbreviations
+//
+// 1. Duplicate behavior to the data-* attribute for our tooltip plugin
+// 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+// 3. Add explicit cursor to indicate changed behavior.
+// 4. Remove the bottom border in Firefox 39-.
+// 5. Prevent the text-decoration to be skipped.
+
+abbr[title],
+abbr[data-original-title] { // 1
+  text-decoration: underline; // 2
+  text-decoration: underline dotted; // 2
+  cursor: help; // 3
+  border-bottom: 0; // 4
+  text-decoration-skip-ink: none; // 5
+}
+
+address {
+  margin-bottom: 1rem;
+  font-style: normal;
+  line-height: inherit;
+}
+
+ol,
+ul,
+dl {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+ol ol,
+ul ul,
+ol ul,
+ul ol {
+  margin-bottom: 0;
+}
+
+dt {
+  font-weight: $dt-font-weight;
+}
+
+dd {
+  margin-bottom: .5rem;
+  margin-left: 0; // Undo browser default
+}
+
+blockquote {
+  margin: 0 0 1rem;
+}
+
+b,
+strong {
+  font-weight: $font-weight-bolder; // Add the correct font weight in Chrome, Edge, and Safari
+}
+
+small {
+  @include font-size(80%); // Add the correct font size in all browsers
+}
+
+//
+// Prevent `sub` and `sup` elements from affecting the line height in
+// all browsers.
+//
+
+sub,
+sup {
+  position: relative;
+  @include font-size(75%);
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub { bottom: -.25em; }
+sup { top: -.5em; }
+
+
+//
+// Links
+//
+
+a {
+  color: $link-color;
+  text-decoration: $link-decoration;
+  background-color: transparent; // Remove the gray background on active links in IE 10.
+
+  @include hover() {
+    color: $link-hover-color;
+    text-decoration: $link-hover-decoration;
+  }
+}
+
+// And undo these styles for placeholder links/named anchors (without href).
+// It would be more straightforward to just use a[href] in previous block, but that
+// causes specificity issues in many other styles that are too complex to fix.
+// See https://github.com/twbs/bootstrap/issues/19402
+
+a:not([href]):not([class]) {
+  color: inherit;
+  text-decoration: none;
+
+  @include hover() {
+    color: inherit;
+    text-decoration: none;
+  }
+}
+
+
+//
+// Code
+//
+
+pre,
+code,
+kbd,
+samp {
+  font-family: $font-family-monospace;
+  @include font-size(1em); // Correct the odd `em` font sizing in all browsers.
+}
+
+pre {
+  // Remove browser default top margin
+  margin-top: 0;
+  // Reset browser default of `1em` to use `rem`s
+  margin-bottom: 1rem;
+  // Don't allow content to break outside
+  overflow: auto;
+  // Disable auto-hiding scrollbar in IE & legacy Edge to avoid overlap,
+  // making it impossible to interact with the content
+  -ms-overflow-style: scrollbar;
+}
+
+
+//
+// Figures
+//
+
+figure {
+  // Apply a consistent margin strategy (matches our type styles).
+  margin: 0 0 1rem;
+}
+
+
+//
+// Images and content
+//
+
+img {
+  vertical-align: middle;
+  border-style: none; // Remove the border on images inside links in IE 10-.
+}
+
+svg {
+  // Workaround for the SVG overflow bug in IE10/11 is still required.
+  // See https://github.com/twbs/bootstrap/issues/26878
+  overflow: hidden;
+  vertical-align: middle;
+}
+
+
+//
+// Tables
+//
+
+table {
+  border-collapse: collapse; // Prevent double borders
+}
+
+caption {
+  padding-top: $table-cell-padding;
+  padding-bottom: $table-cell-padding;
+  color: $table-caption-color;
+  text-align: left;
+  caption-side: bottom;
+}
+
+// 1. Removes font-weight bold by inheriting
+// 2. Matches default `<td>` alignment by inheriting `text-align`.
+// 3. Fix alignment for Safari
+
+th {
+  font-weight: $table-th-font-weight; // 1
+  text-align: inherit; // 2
+  text-align: -webkit-match-parent; // 3
+}
+
+
+//
+// Forms
+//
+
+label {
+  // Allow labels to use `margin` for spacing.
+  display: inline-block;
+  margin-bottom: $label-margin-bottom;
+}
+
+// Remove the default `border-radius` that macOS Chrome adds.
+//
+// Details at https://github.com/twbs/bootstrap/issues/24093
+button {
+  // stylelint-disable-next-line property-disallowed-list
+  border-radius: 0;
+}
+
+// Explicitly remove focus outline in Chromium when it shouldn't be
+// visible (e.g. as result of mouse click or touch tap). It already
+// should be doing this automatically, but seems to currently be
+// confused and applies its very visible two-tone outline anyway.
+
+button:focus:not(:focus-visible) {
+  outline: 0;
+}
+
+input,
+button,
+select,
+optgroup,
+textarea {
+  margin: 0; // Remove the margin in Firefox and Safari
+  font-family: inherit;
+  @include font-size(inherit);
+  line-height: inherit;
+}
+
+button,
+input {
+  overflow: visible; // Show the overflow in Edge
+}
+
+button,
+select {
+  text-transform: none; // Remove the inheritance of text transform in Firefox
+}
+
+// Set the cursor for non-`<button>` buttons
+//
+// Details at https://github.com/twbs/bootstrap/pull/30562
+[role="button"] {
+  cursor: pointer;
+}
+
+// Remove the inheritance of word-wrap in Safari.
+//
+// Details at https://github.com/twbs/bootstrap/issues/24990
+select {
+  word-wrap: normal;
+}
+
+
+// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
+//    controls in Android 4.
+// 2. Correct the inability to style clickable types in iOS and Safari.
+button,
+[type="button"], // 1
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button; // 2
+}
+
+// Opinionated: add "hand" cursor to non-disabled button elements.
+@if $enable-pointer-cursor-for-buttons {
+  button,
+  [type="button"],
+  [type="reset"],
+  [type="submit"] {
+    &:not(:disabled) {
+      cursor: pointer;
+    }
+  }
+}
+
+// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
+}
+
+input[type="radio"],
+input[type="checkbox"] {
+  box-sizing: border-box; // 1. Add the correct box sizing in IE 10-
+  padding: 0; // 2. Remove the padding in IE 10-
+}
+
+
+textarea {
+  overflow: auto; // Remove the default vertical scrollbar in IE.
+  // Textareas should really only resize vertically so they don't break their (horizontal) containers.
+  resize: vertical;
+}
+
+fieldset {
+  // Browsers set a default `min-width: min-content;` on fieldsets,
+  // unlike e.g. `<div>`s, which have `min-width: 0;` by default.
+  // So we reset that to ensure fieldsets behave more like a standard block element.
+  // See https://github.com/twbs/bootstrap/issues/12359
+  // and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
+  min-width: 0;
+  // Reset the default outline behavior of fieldsets so they don't affect page layout.
+  padding: 0;
+  margin: 0;
+  border: 0;
+}
+
+// 1. Correct the text wrapping in Edge and IE.
+// 2. Correct the color inheritance from `fieldset` elements in IE.
+legend {
+  display: block;
+  width: 100%;
+  max-width: 100%; // 1
+  padding: 0;
+  margin-bottom: .5rem;
+  @include font-size(1.5rem);
+  line-height: inherit;
+  color: inherit; // 2
+  white-space: normal; // 1
+}
+
+progress {
+  vertical-align: baseline; // Add the correct vertical alignment in Chrome, Firefox, and Opera.
+}
+
+// Correct the cursor style of increment and decrement buttons in Chrome.
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+[type="search"] {
+  // This overrides the extra rounded corners on search inputs in iOS so that our
+  // `.form-control` class can properly style them. Note that this cannot simply
+  // be added to `.form-control` as it's not specific enough. For details, see
+  // https://github.com/twbs/bootstrap/issues/11586.
+  outline-offset: -2px; // 2. Correct the outline style in Safari.
+  -webkit-appearance: none;
+}
+
+//
+// Remove the inner padding in Chrome and Safari on macOS.
+//
+
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+//
+// 1. Correct the inability to style clickable types in iOS and Safari.
+// 2. Change font properties to `inherit` in Safari.
+//
+
+::-webkit-file-upload-button {
+  font: inherit; // 2
+  -webkit-appearance: button; // 1
+}
+
+//
+// Correct element displays
+//
+
+output {
+  display: inline-block;
+}
+
+summary {
+  display: list-item; // Add the correct display in all browsers
+  cursor: pointer;
+}
+
+template {
+  display: none; // Add the correct display in IE
+}
+
+// Always hide an element with the `hidden` HTML attribute (from PureCSS).
+// Needed for proper display in IE 10-.
+[hidden] {
+  display: none !important;
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_root.scss

@@ -0,0 +1,19 @@
+:root {
+  // Custom variable values only support SassScript inside `#{}`.
+  @each $color, $value in $colors {
+    --#{$color}: #{$value};
+  }
+
+  @each $color, $value in $theme-colors {
+    --#{$color}: #{$value};
+  }
+
+  @each $bp, $value in $grid-breakpoints {
+    --breakpoint-#{$bp}: #{$value};
+  }
+
+  // Use `inspect` for lists so that quoted items keep the quotes.
+  // See https://github.com/sass/sass/issues/2383#issuecomment-336349172
+  --font-family-sans-serif: #{inspect($font-family-sans-serif)};
+  --font-family-monospace: #{inspect($font-family-monospace)};
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_spinners.scss

@@ -0,0 +1,65 @@
+//
+// Rotating border
+//
+
+@keyframes spinner-border {
+  to { transform: rotate(360deg); }
+}
+
+.spinner-border {
+  display: inline-block;
+  width: $spinner-width;
+  height: $spinner-height;
+  vertical-align: $spinner-vertical-align;
+  border: $spinner-border-width solid currentcolor;
+  border-right-color: transparent;
+  // stylelint-disable-next-line property-disallowed-list
+  border-radius: 50%;
+  animation: .75s linear infinite spinner-border;
+}
+
+.spinner-border-sm {
+  width: $spinner-width-sm;
+  height: $spinner-height-sm;
+  border-width: $spinner-border-width-sm;
+}
+
+//
+// Growing circle
+//
+
+@keyframes spinner-grow {
+  0% {
+    transform: scale(0);
+  }
+  50% {
+    opacity: 1;
+    transform: none;
+  }
+}
+
+.spinner-grow {
+  display: inline-block;
+  width: $spinner-width;
+  height: $spinner-height;
+  vertical-align: $spinner-vertical-align;
+  background-color: currentcolor;
+  // stylelint-disable-next-line property-disallowed-list
+  border-radius: 50%;
+  opacity: 0;
+  animation: .75s linear infinite spinner-grow;
+}
+
+.spinner-grow-sm {
+  width: $spinner-width-sm;
+  height: $spinner-height-sm;
+}
+
+@if $enable-prefers-reduced-motion-media-query {
+  @media (prefers-reduced-motion: reduce) {
+    .spinner-border,
+    .spinner-grow {
+      animation-duration: 1.5s;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_tables.scss

@@ -0,0 +1,185 @@
+//
+// Basic Bootstrap table
+//
+
+.table {
+  width: 100%;
+  margin-bottom: $spacer;
+  color: $table-color;
+  background-color: $table-bg; // Reset for nesting within parents with `background-color`.
+
+  th,
+  td {
+    padding: $table-cell-padding;
+    vertical-align: top;
+    border-top: $table-border-width solid $table-border-color;
+  }
+
+  thead th {
+    vertical-align: bottom;
+    border-bottom: (2 * $table-border-width) solid $table-border-color;
+  }
+
+  tbody + tbody {
+    border-top: (2 * $table-border-width) solid $table-border-color;
+  }
+}
+
+
+//
+// Condensed table w/ half padding
+//
+
+.table-sm {
+  th,
+  td {
+    padding: $table-cell-padding-sm;
+  }
+}
+
+
+// Border versions
+//
+// Add or remove borders all around the table and between all the columns.
+
+.table-bordered {
+  border: $table-border-width solid $table-border-color;
+
+  th,
+  td {
+    border: $table-border-width solid $table-border-color;
+  }
+
+  thead {
+    th,
+    td {
+      border-bottom-width: 2 * $table-border-width;
+    }
+  }
+}
+
+.table-borderless {
+  th,
+  td,
+  thead th,
+  tbody + tbody {
+    border: 0;
+  }
+}
+
+// Zebra-striping
+//
+// Default zebra-stripe styles (alternating gray and transparent backgrounds)
+
+.table-striped {
+  tbody tr:nth-of-type(#{$table-striped-order}) {
+    background-color: $table-accent-bg;
+  }
+}
+
+
+// Hover effect
+//
+// Placed here since it has to come after the potential zebra striping
+
+.table-hover {
+  tbody tr {
+    @include hover() {
+      color: $table-hover-color;
+      background-color: $table-hover-bg;
+    }
+  }
+}
+
+
+// Table backgrounds
+//
+// Exact selectors below required to override `.table-striped` and prevent
+// inheritance to nested tables.
+
+@each $color, $value in $theme-colors {
+  @include table-row-variant($color, theme-color-level($color, $table-bg-level), theme-color-level($color, $table-border-level));
+}
+
+@include table-row-variant(active, $table-active-bg);
+
+
+// Dark styles
+//
+// Same table markup, but inverted color scheme: dark background and light text.
+
+// stylelint-disable-next-line no-duplicate-selectors
+.table {
+  .thead-dark {
+    th {
+      color: $table-dark-color;
+      background-color: $table-dark-bg;
+      border-color: $table-dark-border-color;
+    }
+  }
+
+  .thead-light {
+    th {
+      color: $table-head-color;
+      background-color: $table-head-bg;
+      border-color: $table-border-color;
+    }
+  }
+}
+
+.table-dark {
+  color: $table-dark-color;
+  background-color: $table-dark-bg;
+
+  th,
+  td,
+  thead th {
+    border-color: $table-dark-border-color;
+  }
+
+  &.table-bordered {
+    border: 0;
+  }
+
+  &.table-striped {
+    tbody tr:nth-of-type(#{$table-striped-order}) {
+      background-color: $table-dark-accent-bg;
+    }
+  }
+
+  &.table-hover {
+    tbody tr {
+      @include hover() {
+        color: $table-dark-hover-color;
+        background-color: $table-dark-hover-bg;
+      }
+    }
+  }
+}
+
+
+// Responsive tables
+//
+// Generate series of `.table-responsive-*` classes for configuring the screen
+// size of where your table will overflow.
+
+.table-responsive {
+  @each $breakpoint in map-keys($grid-breakpoints) {
+    $next: breakpoint-next($breakpoint, $grid-breakpoints);
+    $infix: breakpoint-infix($next, $grid-breakpoints);
+
+    &#{$infix} {
+      @include media-breakpoint-down($breakpoint) {
+        display: block;
+        width: 100%;
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+
+        // Prevent double border on horizontal scroll due to use of `display: block;`
+        > .table-bordered {
+          border: 0;
+        }
+      }
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_toasts.scss

@@ -0,0 +1,46 @@
+.toast {
+  // Prevents from shrinking in IE11, when in a flex container
+  // See https://github.com/twbs/bootstrap/issues/28341
+  flex-basis: $toast-max-width;
+  max-width: $toast-max-width;
+  @include font-size($toast-font-size);
+  color: $toast-color;
+  background-color: $toast-background-color;
+  background-clip: padding-box;
+  border: $toast-border-width solid $toast-border-color;
+  box-shadow: $toast-box-shadow;
+  opacity: 0;
+  @include border-radius($toast-border-radius);
+
+  &:not(:last-child) {
+    margin-bottom: $toast-padding-x;
+  }
+
+  &.showing {
+    opacity: 1;
+  }
+
+  &.show {
+    display: block;
+    opacity: 1;
+  }
+
+  &.hide {
+    display: none;
+  }
+}
+
+.toast-header {
+  display: flex;
+  align-items: center;
+  padding: $toast-padding-y $toast-padding-x;
+  color: $toast-header-color;
+  background-color: $toast-header-background-color;
+  background-clip: padding-box;
+  border-bottom: $toast-border-width solid $toast-header-border-color;
+  @include border-top-radius(subtract($toast-border-radius, $toast-border-width));
+}
+
+.toast-body {
+  padding: $toast-padding-x; // apply to both vertical and horizontal
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_tooltip.scss

@@ -0,0 +1,115 @@
+// Base class
+.tooltip {
+  position: absolute;
+  z-index: $zindex-tooltip;
+  display: block;
+  margin: $tooltip-margin;
+  // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
+  // So reset our font and text properties to avoid inheriting weird values.
+  @include reset-text();
+  @include font-size($tooltip-font-size);
+  // Allow breaking very long words so they don't overflow the tooltip's bounds
+  word-wrap: break-word;
+  opacity: 0;
+
+  &.show { opacity: $tooltip-opacity; }
+
+  .arrow {
+    position: absolute;
+    display: block;
+    width: $tooltip-arrow-width;
+    height: $tooltip-arrow-height;
+
+    &::before {
+      position: absolute;
+      content: "";
+      border-color: transparent;
+      border-style: solid;
+    }
+  }
+}
+
+.bs-tooltip-top {
+  padding: $tooltip-arrow-height 0;
+
+  .arrow {
+    bottom: 0;
+
+    &::before {
+      top: 0;
+      border-width: $tooltip-arrow-height ($tooltip-arrow-width * .5) 0;
+      border-top-color: $tooltip-arrow-color;
+    }
+  }
+}
+
+.bs-tooltip-right {
+  padding: 0 $tooltip-arrow-height;
+
+  .arrow {
+    left: 0;
+    width: $tooltip-arrow-height;
+    height: $tooltip-arrow-width;
+
+    &::before {
+      right: 0;
+      border-width: ($tooltip-arrow-width * .5) $tooltip-arrow-height ($tooltip-arrow-width * .5) 0;
+      border-right-color: $tooltip-arrow-color;
+    }
+  }
+}
+
+.bs-tooltip-bottom {
+  padding: $tooltip-arrow-height 0;
+
+  .arrow {
+    top: 0;
+
+    &::before {
+      bottom: 0;
+      border-width: 0 ($tooltip-arrow-width * .5) $tooltip-arrow-height;
+      border-bottom-color: $tooltip-arrow-color;
+    }
+  }
+}
+
+.bs-tooltip-left {
+  padding: 0 $tooltip-arrow-height;
+
+  .arrow {
+    right: 0;
+    width: $tooltip-arrow-height;
+    height: $tooltip-arrow-width;
+
+    &::before {
+      left: 0;
+      border-width: ($tooltip-arrow-width * .5) 0 ($tooltip-arrow-width * .5) $tooltip-arrow-height;
+      border-left-color: $tooltip-arrow-color;
+    }
+  }
+}
+
+.bs-tooltip-auto {
+  &[x-placement^="top"] {
+    @extend .bs-tooltip-top;
+  }
+  &[x-placement^="right"] {
+    @extend .bs-tooltip-right;
+  }
+  &[x-placement^="bottom"] {
+    @extend .bs-tooltip-bottom;
+  }
+  &[x-placement^="left"] {
+    @extend .bs-tooltip-left;
+  }
+}
+
+// Wrapper for the tooltip content
+.tooltip-inner {
+  max-width: $tooltip-max-width;
+  padding: $tooltip-padding-y $tooltip-padding-x;
+  color: $tooltip-color;
+  text-align: center;
+  background-color: $tooltip-bg;
+  @include border-radius($tooltip-border-radius);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_transitions.scss

@@ -0,0 +1,26 @@
+.fade {
+  @include transition($transition-fade);
+
+  &:not(.show) {
+    opacity: 0;
+  }
+}
+
+.collapse {
+  &:not(.show) {
+    display: none;
+  }
+}
+
+.collapsing {
+  position: relative;
+  height: 0;
+  overflow: hidden;
+  @include transition($transition-collapse);
+
+  &.width {
+    width: 0;
+    height: auto;
+    @include transition($transition-collapse-width);
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_type.scss

@@ -0,0 +1,125 @@
+// stylelint-disable selector-list-comma-newline-after
+
+//
+// Headings
+//
+
+h1, h2, h3, h4, h5, h6,
+.h1, .h2, .h3, .h4, .h5, .h6 {
+  margin-bottom: $headings-margin-bottom;
+  font-family: $headings-font-family;
+  font-weight: $headings-font-weight;
+  line-height: $headings-line-height;
+  color: $headings-color;
+}
+
+h1, .h1 { @include font-size($h1-font-size); }
+h2, .h2 { @include font-size($h2-font-size); }
+h3, .h3 { @include font-size($h3-font-size); }
+h4, .h4 { @include font-size($h4-font-size); }
+h5, .h5 { @include font-size($h5-font-size); }
+h6, .h6 { @include font-size($h6-font-size); }
+
+.lead {
+  @include font-size($lead-font-size);
+  font-weight: $lead-font-weight;
+}
+
+// Type display classes
+.display-1 {
+  @include font-size($display1-size);
+  font-weight: $display1-weight;
+  line-height: $display-line-height;
+}
+.display-2 {
+  @include font-size($display2-size);
+  font-weight: $display2-weight;
+  line-height: $display-line-height;
+}
+.display-3 {
+  @include font-size($display3-size);
+  font-weight: $display3-weight;
+  line-height: $display-line-height;
+}
+.display-4 {
+  @include font-size($display4-size);
+  font-weight: $display4-weight;
+  line-height: $display-line-height;
+}
+
+
+//
+// Horizontal rules
+//
+
+hr {
+  margin-top: $hr-margin-y;
+  margin-bottom: $hr-margin-y;
+  border: 0;
+  border-top: $hr-border-width solid $hr-border-color;
+}
+
+
+//
+// Emphasis
+//
+
+small,
+.small {
+  @include font-size($small-font-size);
+  font-weight: $font-weight-normal;
+}
+
+mark,
+.mark {
+  padding: $mark-padding;
+  background-color: $mark-bg;
+}
+
+
+//
+// Lists
+//
+
+.list-unstyled {
+  @include list-unstyled();
+}
+
+// Inline turns list items into inline-block
+.list-inline {
+  @include list-unstyled();
+}
+.list-inline-item {
+  display: inline-block;
+
+  &:not(:last-child) {
+    margin-right: $list-inline-padding;
+  }
+}
+
+
+//
+// Misc
+//
+
+// Builds on `abbr`
+.initialism {
+  @include font-size(90%);
+  text-transform: uppercase;
+}
+
+// Blockquotes
+.blockquote {
+  margin-bottom: $spacer;
+  @include font-size($blockquote-font-size);
+}
+
+.blockquote-footer {
+  display: block;
+  @include font-size($blockquote-small-font-size);
+  color: $blockquote-small-color;
+
+  &::before {
+    content: "\2014\00A0"; // em dash, nbsp
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/_utilities.scss

@@ -0,0 +1,18 @@
+@import "utilities/align";
+@import "utilities/background";
+@import "utilities/borders";
+@import "utilities/clearfix";
+@import "utilities/display";
+@import "utilities/embed";
+@import "utilities/flex";
+@import "utilities/float";
+@import "utilities/interactions";
+@import "utilities/overflow";
+@import "utilities/position";
+@import "utilities/screenreaders";
+@import "utilities/shadows";
+@import "utilities/sizing";
+@import "utilities/spacing";
+@import "utilities/stretched-link";
+@import "utilities/text";
+@import "utilities/visibility";

include/thirdparty/Bootstrap4.6/scss/bootstrap/bootstrap-grid.scss

@@ -0,0 +1,30 @@
+/*!
+ * Bootstrap Grid v4.6.2 (https://getbootstrap.com/)
+ * Copyright 2011-2022 The Bootstrap Authors
+ * Copyright 2011-2022 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ */
+
+html {
+  box-sizing: border-box;
+  -ms-overflow-style: scrollbar;
+}
+
+*,
+*::before,
+*::after {
+  box-sizing: inherit;
+}
+
+@import "functions";
+@import "variables";
+
+@import "mixins/deprecate";
+@import "mixins/breakpoints";
+@import "mixins/grid-framework";
+@import "mixins/grid";
+
+@import "grid";
+@import "utilities/display";
+@import "utilities/flex";
+@import "utilities/spacing";

include/thirdparty/Bootstrap4.6/scss/bootstrap/bootstrap-reboot.scss

@@ -0,0 +1,12 @@
+/*!
+ * Bootstrap Reboot v4.6.2 (https://getbootstrap.com/)
+ * Copyright 2011-2022 The Bootstrap Authors
+ * Copyright 2011-2022 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
+
+@import "functions";
+@import "variables";
+@import "mixins";
+@import "reboot";

include/thirdparty/Bootstrap4.6/scss/bootstrap/bootstrap.scss

@@ -0,0 +1,44 @@
+/*!
+ * Bootstrap v4.6.2 (https://getbootstrap.com/)
+ * Copyright 2011-2022 The Bootstrap Authors
+ * Copyright 2011-2022 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ */
+
+@import "functions";
+@import "variables";
+@import "mixins";
+@import "root";
+@import "reboot";
+@import "type";
+@import "images";
+@import "code";
+@import "grid";
+@import "tables";
+@import "forms";
+@import "buttons";
+@import "transitions";
+@import "dropdown";
+@import "button-group";
+@import "input-group";
+@import "custom-forms";
+@import "nav";
+@import "navbar";
+@import "card";
+@import "breadcrumb";
+@import "pagination";
+@import "badge";
+@import "jumbotron";
+@import "alert";
+@import "progress";
+@import "media";
+@import "list-group";
+@import "close";
+@import "toasts";
+@import "modal";
+@import "tooltip";
+@import "popover";
+@import "carousel";
+@import "spinners";
+@import "utilities";
+@import "print";

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_alert.scss

@@ -0,0 +1,13 @@
+@mixin alert-variant($background, $border, $color) {
+  color: $color;
+  @include gradient-bg($background);
+  border-color: $border;
+
+  hr {
+    border-top-color: darken($border, 5%);
+  }
+
+  .alert-link {
+    color: darken($color, 10%);
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_background-variant.scss

@@ -0,0 +1,23 @@
+// stylelint-disable declaration-no-important
+
+// Contextual backgrounds
+
+@mixin bg-variant($parent, $color, $ignore-warning: false) {
+  #{$parent} {
+    background-color: $color !important;
+  }
+  a#{$parent},
+  button#{$parent} {
+    @include hover-focus() {
+      background-color: darken($color, 10%) !important;
+    }
+  }
+  @include deprecate("The `bg-variant` mixin", "v4.4.0", "v5", $ignore-warning);
+}
+
+@mixin bg-gradient-variant($parent, $color, $ignore-warning: false) {
+  #{$parent} {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x !important;
+  }
+  @include deprecate("The `bg-gradient-variant` mixin", "v4.5.0", "v5", $ignore-warning);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_badge.scss

@@ -0,0 +1,17 @@
+@mixin badge-variant($bg) {
+  color: color-yiq($bg);
+  background-color: $bg;
+
+  @at-root a#{&} {
+    @include hover-focus() {
+      color: color-yiq($bg);
+      background-color: darken($bg, 10%);
+    }
+
+    &:focus,
+    &.focus {
+      outline: 0;
+      box-shadow: 0 0 0 $badge-focus-width rgba($bg, .5);
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_border-radius.scss

@@ -0,0 +1,76 @@
+// stylelint-disable property-disallowed-list
+// Single side border-radius
+
+// Helper function to replace negative values with 0
+@function valid-radius($radius) {
+  $return: ();
+  @each $value in $radius {
+    @if type-of($value) == number {
+      $return: append($return, max($value, 0));
+    } @else {
+      $return: append($return, $value);
+    }
+  }
+  @return $return;
+}
+
+@mixin border-radius($radius: $border-radius, $fallback-border-radius: false) {
+  @if $enable-rounded {
+    border-radius: valid-radius($radius);
+  }
+  @else if $fallback-border-radius != false {
+    border-radius: $fallback-border-radius;
+  }
+}
+
+@mixin border-top-radius($radius) {
+  @if $enable-rounded {
+    border-top-left-radius: valid-radius($radius);
+    border-top-right-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-right-radius($radius) {
+  @if $enable-rounded {
+    border-top-right-radius: valid-radius($radius);
+    border-bottom-right-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-bottom-radius($radius) {
+  @if $enable-rounded {
+    border-bottom-right-radius: valid-radius($radius);
+    border-bottom-left-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-left-radius($radius) {
+  @if $enable-rounded {
+    border-top-left-radius: valid-radius($radius);
+    border-bottom-left-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-top-left-radius($radius) {
+  @if $enable-rounded {
+    border-top-left-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-top-right-radius($radius) {
+  @if $enable-rounded {
+    border-top-right-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-bottom-right-radius($radius) {
+  @if $enable-rounded {
+    border-bottom-right-radius: valid-radius($radius);
+  }
+}
+
+@mixin border-bottom-left-radius($radius) {
+  @if $enable-rounded {
+    border-bottom-left-radius: valid-radius($radius);
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_box-shadow.scss

@@ -0,0 +1,20 @@
+@mixin box-shadow($shadow...) {
+  @if $enable-shadows {
+    $result: ();
+
+    @if (length($shadow) == 1) {
+      // We can pass `@include box-shadow(none);`
+      $result: $shadow;
+    } @else {
+      // Filter to avoid invalid properties for example `box-shadow: none, 1px 1px black;`
+      @for $i from 1 through length($shadow) {
+        @if nth($shadow, $i) != "none" {
+          $result: append($result, nth($shadow, $i), "comma");
+        }
+      }
+    }
+    @if (length($result) > 0) {
+      box-shadow: $result;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_breakpoints.scss

@@ -0,0 +1,123 @@
+// Breakpoint viewport sizes and media queries.
+//
+// Breakpoints are defined as a map of (name: minimum width), order from small to large:
+//
+//    (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)
+//
+// The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.
+
+// Name of the next breakpoint, or null for the last breakpoint.
+//
+//    >> breakpoint-next(sm)
+//    md
+//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
+//    md
+//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))
+//    md
+@function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {
+  $n: index($breakpoint-names, $name);
+  @return if($n != null and $n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);
+}
+
+// Minimum breakpoint width. Null for the smallest (first) breakpoint.
+//
+//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
+//    576px
+@function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
+  $min: map-get($breakpoints, $name);
+  @return if($min != 0, $min, null);
+}
+
+// Maximum breakpoint width. Null for the largest (last) breakpoint.
+// The maximum value is calculated as the minimum of the next one less 0.02px
+// to work around the limitations of `min-` and `max-` prefixes and viewports with fractional widths.
+// See https://www.w3.org/TR/mediaqueries-4/#mq-min-max
+// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.
+// See https://bugs.webkit.org/show_bug.cgi?id=178261
+//
+//    >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
+//    767.98px
+@function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
+  $next: breakpoint-next($name, $breakpoints);
+  @return if($next, breakpoint-min($next, $breakpoints) - .02, null);
+}
+
+// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.
+// Useful for making responsive utilities.
+//
+//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
+//    ""  (Returns a blank string)
+//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
+//    "-sm"
+@function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
+  @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
+}
+
+// Media of at least the minimum breakpoint width. No query for the smallest breakpoint.
+// Makes the @content apply to the given breakpoint and wider.
+@mixin media-breakpoint-up($name, $breakpoints: $grid-breakpoints) {
+  $min: breakpoint-min($name, $breakpoints);
+  @if $min {
+    @media (min-width: $min) {
+      @content;
+    }
+  } @else {
+    @content;
+  }
+}
+
+// Media of at most the maximum breakpoint width. No query for the largest breakpoint.
+// Makes the @content apply to the given breakpoint and narrower.
+@mixin media-breakpoint-down($name, $breakpoints: $grid-breakpoints) {
+  $max: breakpoint-max($name, $breakpoints);
+  @if $max {
+    @media (max-width: $max) {
+      @content;
+    }
+  } @else {
+    @content;
+  }
+}
+
+// Media that spans multiple breakpoint widths.
+// Makes the @content apply between the min and max breakpoints
+@mixin media-breakpoint-between($lower, $upper, $breakpoints: $grid-breakpoints) {
+  $min: breakpoint-min($lower, $breakpoints);
+  $max: breakpoint-max($upper, $breakpoints);
+
+  @if $min != null and $max != null {
+    @media (min-width: $min) and (max-width: $max) {
+      @content;
+    }
+  } @else if $max == null {
+    @include media-breakpoint-up($lower, $breakpoints) {
+      @content;
+    }
+  } @else if $min == null {
+    @include media-breakpoint-down($upper, $breakpoints) {
+      @content;
+    }
+  }
+}
+
+// Media between the breakpoint's minimum and maximum widths.
+// No minimum for the smallest breakpoint, and no maximum for the largest one.
+// Makes the @content apply only to the given breakpoint, not viewports any wider or narrower.
+@mixin media-breakpoint-only($name, $breakpoints: $grid-breakpoints) {
+  $min: breakpoint-min($name, $breakpoints);
+  $max: breakpoint-max($name, $breakpoints);
+
+  @if $min != null and $max != null {
+    @media (min-width: $min) and (max-width: $max) {
+      @content;
+    }
+  } @else if $max == null {
+    @include media-breakpoint-up($name, $breakpoints) {
+      @content;
+    }
+  } @else if $min == null {
+    @include media-breakpoint-down($name, $breakpoints) {
+      @content;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_buttons.scss

@@ -0,0 +1,110 @@
+// Button variants
+//
+// Easily pump out default styles, as well as :hover, :focus, :active,
+// and disabled options for all buttons
+
+@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
+  color: color-yiq($background);
+  @include gradient-bg($background);
+  border-color: $border;
+  @include box-shadow($btn-box-shadow);
+
+  @include hover() {
+    color: color-yiq($hover-background);
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
+  }
+
+  &:focus,
+  &.focus {
+    color: color-yiq($hover-background);
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
+    @if $enable-shadows {
+      @include box-shadow($btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5));
+    } @else {
+      // Avoid using mixin so we can pass custom focus shadow properly
+      box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
+    }
+  }
+
+  // Disabled comes first so active can properly restyle
+  &.disabled,
+  &:disabled {
+    color: color-yiq($background);
+    background-color: $background;
+    border-color: $border;
+    // Remove CSS gradients if they're enabled
+    @if $enable-gradients {
+      background-image: none;
+    }
+  }
+
+  &:not(:disabled):not(.disabled):active,
+  &:not(:disabled):not(.disabled).active,
+  .show > &.dropdown-toggle {
+    color: color-yiq($active-background);
+    background-color: $active-background;
+    @if $enable-gradients {
+      background-image: none; // Remove the gradient for the pressed/active state
+    }
+    border-color: $active-border;
+
+    &:focus {
+      @if $enable-shadows and $btn-active-box-shadow != none {
+        @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5));
+      } @else {
+        // Avoid using mixin so we can pass custom focus shadow properly
+        box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5);
+      }
+    }
+  }
+}
+
+@mixin button-outline-variant($color, $color-hover: color-yiq($color), $active-background: $color, $active-border: $color) {
+  color: $color;
+  border-color: $color;
+
+  @include hover() {
+    color: $color-hover;
+    background-color: $active-background;
+    border-color: $active-border;
+  }
+
+  &:focus,
+  &.focus {
+    box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
+  }
+
+  &.disabled,
+  &:disabled {
+    color: $color;
+    background-color: transparent;
+  }
+
+  &:not(:disabled):not(.disabled):active,
+  &:not(:disabled):not(.disabled).active,
+  .show > &.dropdown-toggle {
+    color: color-yiq($active-background);
+    background-color: $active-background;
+    border-color: $active-border;
+
+    &:focus {
+      @if $enable-shadows and $btn-active-box-shadow != none {
+        @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba($color, .5));
+      } @else {
+        // Avoid using mixin so we can pass custom focus shadow properly
+        box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
+      }
+    }
+  }
+}
+
+// Button sizes
+@mixin button-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) {
+  padding: $padding-y $padding-x;
+  @include font-size($font-size);
+  line-height: $line-height;
+  // Manually declare to provide an override to the browser default
+  @include border-radius($border-radius, 0);
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_caret.scss

@@ -0,0 +1,62 @@
+@mixin caret-down() {
+  border-top: $caret-width solid;
+  border-right: $caret-width solid transparent;
+  border-bottom: 0;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret-up() {
+  border-top: 0;
+  border-right: $caret-width solid transparent;
+  border-bottom: $caret-width solid;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret-right() {
+  border-top: $caret-width solid transparent;
+  border-right: 0;
+  border-bottom: $caret-width solid transparent;
+  border-left: $caret-width solid;
+}
+
+@mixin caret-left() {
+  border-top: $caret-width solid transparent;
+  border-right: $caret-width solid;
+  border-bottom: $caret-width solid transparent;
+}
+
+@mixin caret($direction: down) {
+  @if $enable-caret {
+    &::after {
+      display: inline-block;
+      margin-left: $caret-spacing;
+      vertical-align: $caret-vertical-align;
+      content: "";
+      @if $direction == down {
+        @include caret-down();
+      } @else if $direction == up {
+        @include caret-up();
+      } @else if $direction == right {
+        @include caret-right();
+      }
+    }
+
+    @if $direction == left {
+      &::after {
+        display: none;
+      }
+
+      &::before {
+        display: inline-block;
+        margin-right: $caret-spacing;
+        vertical-align: $caret-vertical-align;
+        content: "";
+        @include caret-left();
+      }
+    }
+
+    &:empty::after {
+      margin-left: 0;
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_clearfix.scss

@@ -0,0 +1,7 @@
+@mixin clearfix() {
+  &::after {
+    display: block;
+    clear: both;
+    content: "";
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_deprecate.scss

@@ -0,0 +1,10 @@
+// Deprecate mixin
+//
+// This mixin can be used to deprecate mixins or functions.
+// `$enable-deprecation-messages` is a global variable, `$ignore-warning` is a variable that can be passed to
+// some deprecated mixins to suppress the warning (for example if the mixin is still be used in the current version of Bootstrap)
+@mixin deprecate($name, $deprecate-version, $remove-version, $ignore-warning: false) {
+  @if ($enable-deprecation-messages != false and $ignore-warning != true) {
+    @warn "#{$name} has been deprecated as of #{$deprecate-version}. It will be removed entirely in #{$remove-version}.";
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_float.scss

@@ -0,0 +1,14 @@
+// stylelint-disable declaration-no-important
+
+@mixin float-left() {
+  float: left !important;
+  @include deprecate("The `float-left` mixin", "v4.3.0", "v5");
+}
+@mixin float-right() {
+  float: right !important;
+  @include deprecate("The `float-right` mixin", "v4.3.0", "v5");
+}
+@mixin float-none() {
+  float: none !important;
+  @include deprecate("The `float-none` mixin", "v4.3.0", "v5");
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_forms.scss

@@ -0,0 +1,195 @@
+// Form control focus state
+//
+// Generate a customized focus state and for any input with the specified color,
+// which defaults to the `$input-focus-border-color` variable.
+//
+// We highly encourage you to not customize the default value, but instead use
+// this to tweak colors on an as-needed basis. This aesthetic change is based on
+// WebKit's default styles, but applicable to a wider range of browsers. Its
+// usability and accessibility should be taken into account with any change.
+//
+// Example usage: change the default blue border and shadow to white for better
+// contrast against a dark gray background.
+@mixin form-control-focus($ignore-warning: false) {
+  &:focus {
+    color: $input-focus-color;
+    background-color: $input-focus-bg;
+    border-color: $input-focus-border-color;
+    outline: 0;
+    @if $enable-shadows {
+      @include box-shadow($input-box-shadow, $input-focus-box-shadow);
+    } @else {
+      // Avoid using mixin so we can pass custom focus shadow properly
+      box-shadow: $input-focus-box-shadow;
+    }
+  }
+  @include deprecate("The `form-control-focus()` mixin", "v4.4.0", "v5", $ignore-warning);
+}
+
+// This mixin uses an `if()` technique to be compatible with Dart Sass
+// See https://github.com/sass/sass/issues/1873#issuecomment-152293725 for more details
+@mixin form-validation-state-selector($state) {
+  @if ($state == "valid" or $state == "invalid") {
+    .was-validated #{if(&, "&", "")}:#{$state},
+    #{if(&, "&", "")}.is-#{$state} {
+      @content;
+    }
+  } @else {
+    #{if(&, "&", "")}.is-#{$state} {
+      @content;
+    }
+  }
+}
+
+@mixin form-validation-state($state, $color, $icon) {
+  .#{$state}-feedback {
+    display: none;
+    width: 100%;
+    margin-top: $form-feedback-margin-top;
+    @include font-size($form-feedback-font-size);
+    color: $color;
+  }
+
+  .#{$state}-tooltip {
+    position: absolute;
+    top: 100%;
+    left: 0;
+    z-index: 5;
+    display: none;
+    max-width: 100%; // Contain to parent when possible
+    padding: $form-feedback-tooltip-padding-y $form-feedback-tooltip-padding-x;
+    margin-top: .1rem;
+    @include font-size($form-feedback-tooltip-font-size);
+    line-height: $form-feedback-tooltip-line-height;
+    color: color-yiq($color);
+    background-color: rgba($color, $form-feedback-tooltip-opacity);
+    @include border-radius($form-feedback-tooltip-border-radius);
+
+    // See https://github.com/twbs/bootstrap/pull/31557
+    // Align tooltip to form elements
+    .form-row > .col > &,
+    .form-row > [class*="col-"] > & {
+      left: $form-grid-gutter-width * .5;
+    }
+  }
+
+  @include form-validation-state-selector($state) {
+    ~ .#{$state}-feedback,
+    ~ .#{$state}-tooltip {
+      display: block;
+    }
+  }
+
+  .form-control {
+    @include form-validation-state-selector($state) {
+      border-color: $color;
+
+      @if $enable-validation-icons {
+        padding-right: $input-height-inner !important; // stylelint-disable-line declaration-no-important
+        background-image: escape-svg($icon);
+        background-repeat: no-repeat;
+        background-position: right $input-height-inner-quarter center;
+        background-size: $input-height-inner-half $input-height-inner-half;
+      }
+
+      &:focus {
+        border-color: $color;
+        box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
+      }
+    }
+  }
+
+  // stylelint-disable-next-line selector-no-qualifying-type
+  select.form-control {
+    @include form-validation-state-selector($state) {
+      @if $enable-validation-icons {
+        padding-right: $input-padding-x * 4 !important; // stylelint-disable-line declaration-no-important
+        background-position: right $input-padding-x * 2 center;
+      }
+    }
+  }
+
+  // stylelint-disable-next-line selector-no-qualifying-type
+  textarea.form-control {
+    @include form-validation-state-selector($state) {
+      @if $enable-validation-icons {
+        padding-right: $input-height-inner;
+        background-position: top $input-height-inner-quarter right $input-height-inner-quarter;
+      }
+    }
+  }
+
+  .custom-select {
+    @include form-validation-state-selector($state) {
+      border-color: $color;
+
+      @if $enable-validation-icons {
+        padding-right: $custom-select-feedback-icon-padding-right !important; // stylelint-disable-line declaration-no-important
+        background: $custom-select-background, $custom-select-bg escape-svg($icon) $custom-select-feedback-icon-position / $custom-select-feedback-icon-size no-repeat;
+      }
+
+      &:focus {
+        border-color: $color;
+        box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
+      }
+    }
+  }
+
+  .form-check-input {
+    @include form-validation-state-selector($state) {
+      ~ .form-check-label {
+        color: $color;
+      }
+
+      ~ .#{$state}-feedback,
+      ~ .#{$state}-tooltip {
+        display: block;
+      }
+    }
+  }
+
+  .custom-control-input {
+    @include form-validation-state-selector($state) {
+      ~ .custom-control-label {
+        color: $color;
+
+        &::before {
+          border-color: $color;
+        }
+      }
+
+      &:checked {
+        ~ .custom-control-label::before {
+          border-color: lighten($color, 10%);
+          @include gradient-bg(lighten($color, 10%));
+        }
+      }
+
+      &:focus {
+        ~ .custom-control-label::before {
+          box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
+        }
+
+        &:not(:checked) ~ .custom-control-label::before {
+          border-color: $color;
+        }
+      }
+    }
+  }
+
+  // custom file
+  .custom-file-input {
+    @include form-validation-state-selector($state) {
+      ~ .custom-file-label {
+        border-color: $color;
+      }
+
+      &:focus {
+        ~ .custom-file-label {
+          border-color: $color;
+          box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
+        }
+      }
+    }
+  }
+}

include/thirdparty/Bootstrap4.6/scss/bootstrap/mixins/_gradients.scss

@@ -0,0 +1,45 @@
+// Gradients
+
+@mixin gradient-bg($color) {
+  @if $enable-gradients {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x;
+  } @else {
+    background-color: $color;
+  }
+}
+
+// Horizontal gradient, from left to right
+//
+// Creates two color stops, start and end, by specifying a color and position for each color stop.
+@mixin gradient-x($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {
+  background-image: linear-gradient(to right, $start-color $start-percent, $end-color $end-percent);
+  background-repeat: repeat-x;
+}
+
+// Vertical gradient, from top to bottom
+//
+// Creates two color stops, start and end, by specifying a color and position for each color stop.
+@mixin gradient-y($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {
+  background-image: linear-gradient(to bottom, $start-color $start-percent, $end-color $end-percent);
+  background-repeat: repeat-x;
+}
+
+@mixin gradient-directional($start-color: $gray-700, $end-color: $gray-800, $deg: 45deg) {
+  background-image: linear-gradient($deg, $start-color, $end-color);
+  background-repeat: repeat-x;
+}
+@mixin gradient-x-three-colors($start-color: $blue, $mid-color: $purple, $color-stop: 50%, $end-color: $red) {
+  background-image: linear-gradient(to right, $start-color, $mid-color $color-stop, $end-color);
+  background-repeat: no-repeat;
+}
+@mixin gradient-y-three-colors($start-color: $blue, $mid-color: $purple, $color-stop: 50%, $end-color: $red) {
+  background-image: linear-gradient($start-color, $mid-color $color-stop, $end-color);
+  background-repeat: no-repeat;
+}
+@mixin gradient-radial($inner-color: $gray-700, $outer-color: $gray-800) {
+  background-image: radial-gradient(circle, $inner-color, $outer-color);
+  background-repeat: no-repeat;
+}
+@mixin gradient-striped($color: rgba($white, .15), $angle: 45deg) {
+  background-image: linear-gradient($angle, $color 25%, transparent 25%, transparent 50%, $color 50%, $color 75%, transparent 75%, transparent);
+}