enable backupswitcher by default

app/UI/Disk/Forms/UpdateForm.php

@@ -57,7 +57,6 @@ class UpdateForm extends BaseForm implements ClientArea
         if ( parent::getFormData()['id'] == 'scsi0') {
             $backupSwitcher->addHtmlAttribute(':disabled', true);
             $backupSwitcher->addHtmlAttribute(':checked', true);
-            $backupSwitcher->setValue()
         }
 
     }