Automatically fixing mirror tables inconsistencies

What does this MR do and why?

Automatically fixing mirror tables inconsistencies

We have jobs to check the consistency between Namespace/Project
tables and their mirror tables.
With this MR, we will detect them and fix them automatically

Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/359855

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.