new info button

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

@@ -15,6 +15,7 @@ use ThurData\Servers\KerioEmail\Api\KerioWhmcs;
 use ThurData\Servers\KerioEmail\App\Libs\Product\ProductManager;
 use ThurData\Servers\KerioEmail\App\UI\Client\Setting\Buttons\InfoButton;
 use ThurData\Servers\KerioEmail\Core\Helper\DnsHelper;
+use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\BaseField;
 
 /**
  *
@@ -95,7 +96,8 @@ class Settings extends DataTable implements ClientArea
      */
     public function replaceFieldSelfdns($key, $row)
     {
-        $field = new Hidden();
+        $field = new BaseField();
+        $field->addClass('hidden');
         return $field->getHtml();
     }