Align UserPreferencesModel with SettingsModel

CHANGELOG.md

@@ -1,3 +1,7 @@
+* **Build 124** (2014-07-17)
+  - Improvements to Twig functions and filters.
+  - URL, HTML and Form helpers are now available in Twig.
+
 * **Build 122** (2014-07-15)
   - Restyled the CMS tabs
 

modules/backend/behaviors/UserPreferencesModel.php

@@ -70,9 +70,6 @@ class UserPreferencesModel extends SettingsModel
      */
     public function beforeModelSave()
     {
-        // Purge the field values from the attributes
-        $this->model->attributes = array_diff_key($this->model->attributes, $this->fieldValues);
-
         $preferences = UserPreferences::forUser();
         list($namespace, $group, $item) = $preferences->parseKey($this->recordCode);
         $this->model->item = $item;