change test to slider for disk create

app/UI/Disk/Forms/UpdateForm.php

@@ -66,9 +66,9 @@ class UpdateForm extends BaseForm implements ClientArea
         logModuleCall(
             'proxmoxCloud',
             __FUNCTION__,
-            parent::getFormData()['id'],
+            $this,
             'Debug',
-            parent::getFormData()['size']
+            parent
         );
 
         //entity id