Merge branch '344915-fix-clusters-list-404-in-admin-mode' into 'master'

Fix 404 error in projects/clusters and group/clusters list

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137829



Merged-by: Thong Kuah <tkuah@gitlab.com>
Approved-by: Hunter Stewart <hustewart@gitlab.com>
Reviewed-by: Viktor Nagy (GitLab) <vnagy@gitlab.com>
Reviewed-by: Hunter Stewart <hustewart@gitlab.com>
Co-authored-by: Pam Artiaga <partiaga@gitlab.com>