Merge branch 'dc-restrict-all-mrs-query-to-open' into 'master'

Move a field check into the query instead of the loop body

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/168004



Merged-by: Matt Kasa <mkasa@gitlab.com>
Approved-by: Patrick Bajao <ebajao@gitlab.com>
Approved-by: Matt Kasa <mkasa@gitlab.com>
Approved-by: Max Fan <mfan@gitlab.com>
Co-authored-by: drew <dscimino@gmail.com>