Replace load in the loop with proper data provider

Author: lbajsarowicz

app/code/Magento/Rule/Model/Condition/Product/AbstractProduct.php

@@ -657,23 +657,11 @@ public function validateByEntityId($productId)
      * Retrieve category ids where product is available
      *
      * @param int $productId
-     * @return array
+     * @return int[]
      */
     protected function _getAvailableInCategories($productId)
     {
-        return $this->_productResource->getConnection()
-            ->fetchCol(
-                $this->_productResource->getConnection()
-                    ->select()
-                    ->distinct()
-                    ->from(
-                        $this->_productResource->getTable('catalog_category_product'),
-                        ['category_id']
-                    )->where(
-                        'product_id = ?',
-                        $productId
-                    )
-            );
+        return $this->productCategoryList->getCategoryIds($productId);
     }
 
     /**