Merge branch...

Merge branch '414355-issue-boards-fail-to-fetch-issues-when-filtering-on-milestone-started' into 'master'

Fix filtering board by Started milestone

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/122827



Merged-by: Simon Knox <simon@gitlab.com>
Approved-by: Simon Knox <simon@gitlab.com>
Co-authored-by: Florie Guibert <fguibert@gitlab.com>