Update app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php

in_array with strict

Co-authored-by: Lena Orobei <[email protected]>

Author: AbdulRahmanAbouzaid

app/code/Magento/Catalog/Controller/Adminhtml/Product/Attribute/Validate.php

@@ -128,7 +128,7 @@ public function execute()
             $attributeCode
         );
 
-        if (in_array($attributeCode, self::RESERVED_CODES)) {
+        if (in_array($attributeCode, self::RESERVED_CODES, true)) {
             $message = __('Code (%1) is a reserved key and cannot be used as attribute code.', $attributeCode);
             $this->setMessageToResponse($response, [$message]);
             $response->setError(true);