Calling the method user_preference was returning all the user preferences by invoking the action user_preferences instead of invoking the action matching the method name and returning only the requested preference.
Similarly, the method system_preference was invoking the action system_preferences.
Fix what appears to be a copy-paste error:
Calling the method
user_preference
was returning all the user preferences by invoking the actionuser_preferences
instead of invoking the action matching the method name and returning only the requested preference.Similarly, the method
system_preference
was invoking the actionsystem_preferences
.