Activity events updated

[techsmyth]

Description

As a user I want to see the right set of activity entries

Acceptance criteria

• [ ] Data in activity table updated

• [ ] Activity entry types via api + used by client updated

• [ ] Tests to be update?

  CHALLENGE_CREATED, OPPORTUNITY_CREATED ==> SUBSPACE_CREATED

Additional Context

Screen shots / UX designs / data that are relevant.

Areas that will be affected

To be added during the refinement