Merge branch '437011-logged-out-header-link-height' into 'master'

Logged out header fix CSS selector and reduce gap spacing

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/143313



Merged-by: Simon Knox <simon@gitlab.com>
Approved-by: Simon Knox <simon@gitlab.com>
Co-authored-by: sdejonge <sdejonge@gitlab.com>