Redesign admin accounts index (#9340)

* Improve overview of accounts in admin UI

- Display suspended status, role, last activity and IP prominently
- Default to showing local accounts
- Default to not showing suspended accounts

* Remove unused strings

* Fix tests

* Allow filtering accounts by IP mask

config/locales/tr.yml

@@ -48,10 +48,6 @@ tr:
       most_recent_activity: Son aktivite
       most_recent_ip: Son IP
       not_subscribed: Abone edilmedi
-      order:
-        alphabetic: Alfabetik
-        most_recent: En son
-        title: Sıralama
       perform_full_suspension: Tamamen uzaklaştır
       profile_url: Profil linki
       public: Herkese açık