Empty groups not visible to indirect group members

Summary

Empty groups are not visible to users when viewed by group members with indirect access.

Steps to reproduce

• Namepspace
  • OrgGroup
    • UserGroup
      • [add test user to UserGroup]
  • Group
    • Subgroup
      • EmptyGroup

Invite UserGroup to SubGroup with Maintainer access; the group EmptyGroup will not be visible, but can be browsed if the URL is entered manually.

Example Project

N/A, see above example.

What is the current bug behavior?

The empty group is not visible.

What is the expected correct behavior?

The group should be visible.

Relevant logs and/or screenshots

Output of checks

GitLab Enterprise Edition 15.7.0-pre a568be74

Results of GitLab application Check

Expand for output related to the GitLab application check

(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)
(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)
(we will only investigate if the tests are passing)

Possible fixes