Merge commit '3a2a15c6ea4d4603469861ed9be09da12a122e45' into glitch-soc/merge-upstream

Conflicts:
- `app/views/settings/preferences/appearance/show.html.haml`:
  Conflict because glitch-soc does not have a theme selector here.

app/controllers/settings/preferences/base_controller.rb

@@ -19,6 +19,6 @@ class Settings::Preferences::BaseController < Settings::BaseController
   end
 
   def user_params
-    params.require(:user).permit(:locale, chosen_languages: [], settings_attributes: UserSettings.keys)
+    params.require(:user).permit(:locale, :time_zone, chosen_languages: [], settings_attributes: UserSettings.keys)
   end
 end