potential fix to openfga race condition

[mina1460]

Description

Fixes the race condition by defering the event until the openfga server is started. Deals with issue #25

Fixes CSS-5450

Engineering checklist

Check only items that apply

• [ ] Documentation updated
• [ ] Covered by unit tests
• [ ] Covered by integration tests

Test instructions

Notes for code reviewers

[mina1460]

25