Merge branch 'jy-custom-role-ui' into 'master'

Show access as "Custom" in UI when custom role

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/111244



Merged-by: Matthias Käppler <mkaeppler@gitlab.com>
Approved-by: Eduardo Sanz García <esanz-garcia@gitlab.com>
Approved-by: Omar Qunsul <oqunsul@gitlab.com>
Approved-by: Matthias Käppler <mkaeppler@gitlab.com>
Reviewed-by: Matthias Käppler <mkaeppler@gitlab.com>
Reviewed-by: Eduardo Sanz García <esanz-garcia@gitlab.com>
Co-authored-by: Jessie Young <jessieyoung@gitlab.com>