Filtering Done (#2222)

* Replaced normal dropdowns with select2 (which will eventually replace our custom typeaheads). Still needs styling.

* More css

* Styling. Fixed preloading typeahead with multiple options on load.

* Styling to align with typeahead tag badges.

* Done with filtering story.

* Fixed a bug with switching between filters.

* Fixed some extra } from localization

UI/Web/src/app/book-reader/_components/personal-table-of-contents/personal-table-of-contents.component.html

@@ -1,7 +1,7 @@
 <ng-container *transloco="let t; read: 'personal-table-of-contents'">
   <div class="table-of-contents">
     <div *ngIf="Pages.length === 0">
-      <em>{{t('no-data')}}}</em>
+      <em>{{t('no-data')}}</em>
     </div>
     <ul>
       <li *ngFor="let page of Pages">

UI/Web/src/app/book-reader/_components/table-of-contents/table-of-contents.component.html

@@ -1,7 +1,7 @@
 <ng-container *transloco="let t; read: 'table-of-contents'">
   <div class="table-of-contents">
     <div *ngIf="chapters.length === 0">
-      <em>{{t('no-data')}}}</em>
+      <em>{{t('no-data')}}</em>
     </div>
     <div *ngIf="chapters.length === 1; else nestedChildren">
       <ul>