change test to slider for disk create

app/UI/Disk/Buttons/UpdateButton.php

@@ -28,6 +28,7 @@ class UpdateButton extends ButtonDataTableModalAction implements ClientArea
 
     public function initContent()
     {
+        parent::initContent();
         $this->initIds('updateDiskButton');
         $this->initLoadModalAction(new UpdateModal());
     }

app/UI/Disk/Forms/UpdateForm.php

@@ -62,7 +62,7 @@ class UpdateForm extends BaseForm implements ClientArea
         logModuleCall(
             'proxmoxCloud',
             __FUNCTION__,
-            $this->getFormData(),
+            $this,
             'Debug',
             $vm->getHardDisks()
         );