title: VENDOR_NOTIFICATION is not sent for Stacked Webapps
body: <p><strong>Question</strong>: When Vendor Notifications are triggered?</p>
  <p><strong>Reference Ticket</strong>: <a href="https://appdirect.jira.com/browse/CIM-245" rel="nofollow noreferrer">https://appdirect.jira.com/browse/CIM-245</a></p>