Add missing admin action files and navigation links

- Add 11 missing server action files: badges, bulk-users, catalog, catalog-bc, catalog-items, import-badges, import-furni, multi-account-detect, permissions, rooms, soundtracks
- Add missing admin navigation links: tickets, sounds, translations, import, radio sub-pages
- Add translation keys for all new navigation items

src/messages/de.json

@@ -2016,4 +2016,4 @@
       "statusPlayed": "Played"
     }
   }
-}
+}