Backfill projects namespace details

What does this MR do and why?

Backfill projects namespace details.

This is a re-queue of !101327 (merged) which was deleted in !137701 (diffs) before it was finalized.

Query Plan

https://console.postgres.ai/gitlab/gitlab-production-main/sessions/46096/commands/140914

References

Related to #580081 (closed)

Screenshots or screen recordings

N/A

How to set up and validate locally

  1. Run bin/rails db:migrate

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Edited by Shane Maglangit

Merge request reports

Loading