Merge branch...

Merge branch '360536-eng-update-parent-level-group-creation-page-making-it-clear-the-user-is-creating-a-totally' into 'master'

Add new alert when creating new top-level group

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/95826



Merged-by: Jannik Lehmann <jlehmann@gitlab.com>
Approved-by: Nick Leonard <nleonard@gitlab.com>
Approved-by: Matt Kasa <mkasa@gitlab.com>
Approved-by: Laura Meckley <lmeckley@gitlab.com>
Approved-by: Pavel Shutsin <pshutsin@gitlab.com>
Approved-by: Jannik Lehmann <jlehmann@gitlab.com>
Co-authored-by: Jay Montal <jmontal@gitlab.com>