Filtering Bugs + OPDS Want To Read (#2210)

* Fixed Summary not allowing an empty field, as it should allow that.

* Cleaned up some localization wording and put a todo for a bug with library filtering not working.

* Added Want to Read to OPDS stream

* Implemented the ability to disable adding filter rows for bookmarks page which only supports one filter type.

* Fixed the library filtering code

* Fixed a bunch of titles across the app. Fixed about system page not showing data quick enough.

* Hide API key by default and show a button to unhide. Fixed a styling issue with input group buttons.

* Fixed a hack to support zh_Hans language code to work for things like pt-br as well.

* Fixed transloco not supporting same language scheme as Weblate, but somehow needs all languages.

* Fixed the rating on series detail not being inline with other sections

UI/Web/src/app/series-detail/_components/external-rating/external-rating.component.html

@@ -1,7 +1,7 @@
-<div class="row">
+<div class="row g-0">
   <div class="col-auto custom-col clickable" [ngbPopover]="popContent"
        popoverTitle="Your Rating + Overall" popoverClass="md-popover">
-    <span class="badge rounded-pill me-1">
+    <span class="badge rounded-pill ps-0 me-1">
       <img class="me-1" ngSrc="assets/images/logo-32.png" width="24" height="24" alt="">
       <ng-container *ngIf="hasUserRated; else notYetRated">{{userRating * 20}}</ng-container>
       <ng-template #notYetRated>N/A</ng-template>