collab: Temporarily add back `GET /user` endpoint for local development (#35358)
This PR temporarily adds back the `GET /user` endpoint to Collab since
we're still using it for local development.
Will remove it again once we update the local development process to
leverage Cloud.
Release Notes:
- N/A
7695c4b82eMarshall Bowers committed on 7/30/2025, 6:54:44 PM· committed by GitHubparent794ade8