[APPS-1392] Fix request race condition when clicking play

:koala::+1:

Fix a race condition that occurs when clicking the Play button in the Lotus interface due to `ticket.requester.email.changed` being fired immediately after `app.activated`.

/cc @zendesk/quokka @maximeprades 

### References
 - Jira link: https://zendesk.atlassian.net/browse/APPS-1392

### Risks
  - User data app breaks