Merge branch 'improve_reference_rewriter_to_work_cross_groups' into 'master'

Update ReferenceRewriter to handle projects and groups

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/175956



Merged-by: Brett Walker <bwalker@gitlab.com>
Approved-by: Heinrich Lee Yu <heinrich@gitlab.com>
Approved-by: Brett Walker <bwalker@gitlab.com>
Reviewed-by: Heinrich Lee Yu <heinrich@gitlab.com>
Co-authored-by: Alexandru Croitor <acroitor@gitlab.com>