Issue #2337227 by er.pushpinderrana, larowlan: Fixed NodeAccessControlHandler...

Issue #2337227 by er.pushpinderrana, larowlan: Fixed NodeAccessControlHandler performs non-strict in_array check.

core/modules/node/src/NodeAccessControlHandler.php

@@ -140,13 +140,13 @@ protected function checkFieldAccess($operation, FieldDefinitionInterface $field_
     // Only users with the administer nodes permission can edit administrative
     // fields.
     $administrative_fields = array('uid', 'status', 'created', 'promote', 'sticky');
-    if ($operation == 'edit' && in_array($field_definition->getName(), $administrative_fields)) {
+    if ($operation == 'edit' && in_array($field_definition->getName(), $administrative_fields, TRUE)) {
       return AccessResult::allowedIfHasPermission($account, 'administer nodes');
     }
 
     // No user can change read only fields.
     $read_only_fields = array('changed', 'revision_timestamp', 'revision_uid');
-    if ($operation == 'edit' && in_array($field_definition->getName(), $read_only_fields)) {
+    if ($operation == 'edit' && in_array($field_definition->getName(), $read_only_fields, TRUE)) {
       return AccessResult::forbidden();
     }