new info button

app/UI/Client/Setting/Pages/Settings.php

@@ -98,7 +98,7 @@ class Settings extends DataTable implements ClientArea
     public function replaceFieldSelfdns($key, $row)
     {
         $field = new BaseField();
-        $field->addClass('hidden');
+        $field->addHtmlAttribute('display', 'none');
 
         return $field->getHtml();
     }