Merge branch '442536-policies-group-projects-select-all' into 'master'

Select all and reset for group project dropdown

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145874



Merged-by: Alexander Turinske <aturinske@gitlab.com>
Approved-by: Camellia X Yang <xyang@gitlab.com>
Approved-by: Alexander Turinske <aturinske@gitlab.com>
Co-authored-by: Artur Fedorov <afedorov@gitlab.com>