try to fix the detailed view

app/UI/Disk/Buttons/BackupSwitchButton.php

@@ -40,7 +40,8 @@ class BackupSwitchButton extends ButtonSwitchAjax implements ClientArea
         $this->addHtmlAttribute(':disabled', 'dataRow.master == true');
         if (!$this->configuration()->isPermissionAdditionalDiskBackup())
         {
-            $this->htmlAttributes["disabled"] = "";
+//            $this->htmlAttributes["disabled"] = "";
+            $this->addClass('hidden');
         }
     }