MAGETWO-53305: [Staging] When update was applied Cross-Sells data are not displayed in the shopping cart

Author: Mulderua

app/code/Magento/Catalog/Model/ResourceModel/Product/Link/Product/Collection.php

@@ -56,7 +56,7 @@ class Collection extends \Magento\Catalog\Model\ResourceModel\Product\Collection
     /**
      * @var MetadataPool
      */
-    protected $metadataPool;
+    private $metadataPool;
 
     /**
      * @param \Magento\Framework\Data\Collection\EntityFactory $entityFactory