DEV: Remove user options from current user serializer (#19089)

User options were serialized at the root level of CurrentUserSerializer,
but UserSerializer has a user_option field. This inconsistency caused
issues in the past because user_option fields had to be duplicated on
the frontend.

plugins/discourse-presence/assets/javascripts/discourse/services/composer-presence-manager.js

@@ -11,7 +11,7 @@ export default class ComposerPresenceManager extends Service {
   notifyState(intent, id) {
     if (
       this.siteSettings.allow_users_to_hide_profile &&
-      this.currentUser.hide_profile_and_presence
+      this.currentUser.user_option.hide_profile_and_presence
     ) {
       return;
     }