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/th.yml

@@ -49,10 +49,6 @@ th:
       most_recent_activity: กิจกรรมล่าสุด
       most_recent_ip: IP ล่าสุด
       not_subscribed: Not subscribed
-      order:
-        alphabetic: ตามตัวอักษร
-        most_recent: ล่าสุด
-        title: จัดเรียง
       perform_full_suspension: Perform full suspension
       profile_url: Profile URL
       public: สาธารณะ