Merge branch 'bojan/add-new-group-policy' into 'master'

Hide `New subgroup` button if visibility is restricted

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/148758



Merged-by: Manoj M J <mmj@gitlab.com>
Approved-by: Thong Kuah <tkuah@gitlab.com>
Approved-by: Manoj M J <mmj@gitlab.com>
Approved-by: Jarka Košanová <jarka@gitlab.com>
Reviewed-by: Jarka Košanová <jarka@gitlab.com>
Reviewed-by: Bojan Marjanovic <bmarjanovic@gitlab.com>
Co-authored-by: bmarjanovic <bmarjanovic@gitlab.com>