PROD-30972: Implement "user enrolls to event" event for the EDA

[nkoporec]

Problem (for internal)

Currently we don't have the eventEnrollmentCreate event.

Solution (for internal)

Create an eventEnrollmentCreate event based on the specification.

Release notes (to customers)

Issue tracker

Theme issue tracker

How to test

1.Set up Open Social with broker (kafka) and kafka-ui for viewing messages 2.Enable the social_eda_dispatcher module 3.Create a new event 4. As a user join the event 5. Check the Kafka UI for a new topic and message for new enrollment.

Change Record

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