try to disable delete button on root disk

app/UI/Disk/Buttons/DeleteButton.php

@@ -28,6 +28,7 @@ class DeleteButton extends ButtonDataTableModalAction implements ClientArea
 
     public function initContent()
     {
+        parent::initContent();
         $this->initIds('deleteDiskButton');
         $this->setDisableByColumnValue("master", true);
         $this->switchToRemoveBtn();