[engine] Fix E2E recs front#6064

Ticket(s) / Related Merge Requests

• Issue card: front#6064 (closed)
• Front MR: front!2394 (merged)

Summary of Changes

Fixes issue with recs not showing on groups membership page.

Testing Considerations

Go to group membership page and check you see recs / don't get a 500.

Deployment Considerations

Standard deployment.

Regression Scope

Pretty much nonexistent. Just makes a type nullable that was throwing a type error due to null being returned. Null is a valid and handled value.

Platform Affected (web, mobile, etc)

Engine.

Developer Testing Completed

Manual.

Screenshots / Screen Recording

N/A

Does this impact

• Localization
• Dark/light mode
• Guest mode

Definition of Done Checklist

• The Acceptance Criteria has been met
• Code is tested: Testing includes unit/spec, E2E/automated and manual testing
• Merge requests description has been filled out