ENGCOM-2128: Wishlist update item issue (delete strict_types and refactor method getName in wishlist model)

Author: IvanPletnyov

app/code/Magento/Wishlist/Model/Wishlist.php

@@ -3,7 +3,6 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-declare(strict_types=1);
 
 namespace Magento\Wishlist\Model;
 
@@ -217,9 +216,11 @@ public function loadByCustomerId($customerId, $create = false)
     public function getName()
     {
         $name = $this->_getData('name');
-        if (!strlen($name)) {
+
+        if ($name === null || !strlen($name)) {
             return $this->_wishlistData->getDefaultWishlistName();
         }
+
         return $name;
     }