Sidebar refinements (#2306)

* Begin sidebar refinement, change back to left as default

* New filters proof of concept

* Hide if only one option

* Version filters

* Update changelog page

* Use new cosmetic variable for sidebar position

* Fix safari issue and change defaults to left filters, right sidebars

* Fix download modal on safari and firefox

* Add date published tooltip to versions page

* Improve selection consistency

* Fix lint and extract i18n

* Remove unnecessary observer options

apps/frontend/src/assets/styles/components.scss

@@ -1147,7 +1147,6 @@ svg.inline-svg {
 }
 
 // START STUFF FOR OMORPHIA
-
 .experimental-styles-within {
   .tag-list {
     display: flex;
@@ -1156,7 +1155,7 @@ svg.inline-svg {
   }
 
   .tag-list__item {
-    background-color: var(--color-button-bg);
+    background-color: var(--_bg-color, var(--color-button-bg));
     padding: var(--gap-4) var(--gap-8);
     border-radius: var(--radius-max);
     font-weight: var(--weight-bold);