feat: search UI/UX revamp (#3941)

* feat: first iteration

* chore: tweak

* feat: second iteration

* chore: incorrect code organization

* feat: gambit input suggestions

* feat: gambit keyboard navigation

* chore: bugs

* feat: negative gambits

* feat: improve gambit highlighting

* refactor: localize gambits

* feat: negative and positive gambit buttons

* fix: permissions

* chore: wat

* per: lazy load search modal

* fix: extensibility and bug fixes

* fix: bugs

* feat: reusable autocomplete dropdown

* chore: format

* fix: tag filter

extensions/subscriptions/locale/en.yml

@@ -75,6 +75,16 @@ flarum-subscriptions:
   # REUSED TRANSLATIONS - These keys should not be used directly in code!
   ##
 
+  # Translations in this namespace are used by the forum and admin interfaces.
+  lib:
+
+    # These translations are used by gambits. Gambit keys must be in snake_case, no spaces.
+    gambits:
+      discussions:
+        subscription:
+          following_key: following
+          ignoring_key: ignoring
+
   # Translations in this namespace are referenced by two or more unique keys.
   ref:
     follow: Follow