Event Discovery: EventType Autocreate on Replies to Triggers should Reference the Trigger

[Cali0707]

Problem
To indicate that an eventtype is from a reply, the eventtype should reference the trigger instead of the broker

Persona:
Which persona is this feature for?

Exit Criteria
A rekt test verifying that when there is a reply event it is autocreated referencing the trigger, not the broker

Time Estimate (optional):
How many developer-days do you think this may take to resolve? 1

Additional context (optional)
Add any other context about the feature request here.

[Cali0707]

/triage accepted