new info button

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

@@ -95,7 +95,7 @@ class Settings extends DataTable implements ClientArea
     public function replaceFieldSelfdns($key, $row)
     {
         $field = new EnabledField();
-        $field->setClass("hidden");
+        $field->addClass("hidden");
 
         return $field->getHtml();
     }