Merge branch 'improve_move_service_spec_performance' into 'master'

Improve move and clone work item specs performance

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/175765



Merged-by: Michael Becker <mbecker@gitlab.com>
Approved-by: Stefanos Xanthopoulos <sxanthopoulos@gitlab.com>
Approved-by: Michael Becker <mbecker@gitlab.com>
Reviewed-by: Michael Becker <mbecker@gitlab.com>
Reviewed-by: Stefanos Xanthopoulos <sxanthopoulos@gitlab.com>
Co-authored-by: Alexandru Croitor <acroitor@gitlab.com>