Change user settings to be stored in a more optimal way (#23630)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

app/controllers/settings/preferences_controller.rb

@@ -4,8 +4,6 @@ class Settings::PreferencesController < Settings::BaseController
   def show; end
 
   def update
-    user_settings.update(user_settings_params.to_h)
-
     if current_user.update(user_params)
       I18n.locale = current_user.locale
       redirect_to after_update_redirect_path, notice: I18n.t('generic.changes_saved_msg')
@@ -20,43 +18,7 @@ class Settings::PreferencesController < Settings::BaseController
     settings_preferences_path
   end
 
-  def user_settings
-    UserSettingsDecorator.new(current_user)
-  end
-
   def user_params
-    params.require(:user).permit(
-      :locale,
-      chosen_languages: []
-    )
-  end
-
-  def user_settings_params
-    params.require(:user).permit(
-      :setting_default_privacy,
-      :setting_default_sensitive,
-      :setting_default_language,
-      :setting_unfollow_modal,
-      :setting_boost_modal,
-      :setting_delete_modal,
-      :setting_auto_play_gif,
-      :setting_display_media,
-      :setting_expand_spoilers,
-      :setting_reduce_motion,
-      :setting_disable_swiping,
-      :setting_system_font_ui,
-      :setting_noindex,
-      :setting_theme,
-      :setting_aggregate_reblogs,
-      :setting_show_application,
-      :setting_advanced_layout,
-      :setting_use_blurhash,
-      :setting_use_pending_items,
-      :setting_trends,
-      :setting_crop_images,
-      :setting_always_send_emails,
-      notification_emails: %i(follow follow_request reblog favourite mention report pending_account trending_tag appeal),
-      interactions: %i(must_be_follower must_be_following must_be_following_dm)
-    )
+    params.require(:user).permit(:locale, chosen_languages: [], settings_attributes: UserSettings.keys)
   end
 end