[tabs] prune tab set _before_ computing & setting 'active' tab
msgid"__msg state changed"msgstr""msgid"managers"msgstr""msgid"users"msgstr""msgid"guests"msgstr""msgid"owners"msgstr""msgid"read_perm"msgstr""msgid"add_perm"msgstr""msgid"update_perm"msgstr""msgid"delete_perm"msgstr""