Merge branch '391265-expand-invite-modal-buttons-on-mobile' into 'master'

Expand invite modal buttons

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/112686



Merged-by: Frédéric Caplette <fcaplette@gitlab.com>
Approved-by: Kevin Comoli <kcomoli@gitlab.com>
Approved-by: Frédéric Caplette <fcaplette@gitlab.com>
Reviewed-by: Frédéric Caplette <fcaplette@gitlab.com>
Co-authored-by: syarynovskyi <syarynovskyi@gitlab.com>