Refactored attachDisplays() method to use get/set methods

lib/Drupal/views/ViewStorage.php

@@ -273,4 +273,4 @@ function set_item_option($display_id, $type, $id, $option, $value) {
     $this->set_item($display_id, $type, $id, $item);
   }
 
-}
\ No newline at end of file
+}

lib/Drupal/views/ViewStorageController.php

@@ -110,11 +110,13 @@ public function create(array $values) {
    */
   protected function attachDisplays(&$entity) {
     if (isset($entity->display) && is_array($entity->display)) {
-      foreach ($entity->display as $key => $options) {
+      $displays = array();
+      foreach ($entity->get('display') as $key => $options) {
         // Create a ViewsDisplay object using the display options.
-        $entity->display[$key] = new ViewsDisplay($options);
+        $displays[$key] = new ViewsDisplay($options);
       }
+      $entity->set('display', $displays);
     }
   }
 
-}
\ No newline at end of file
+}