Hide analytics dashboards from guest

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126388



Merged-by: Luke Duncalfe <lduncalfe@gitlab.com>
Approved-by: Joe Woodward <jwoodward@gitlab.com>
Approved-by: Luke Duncalfe <lduncalfe@gitlab.com>
Reviewed-by: Luke Duncalfe <lduncalfe@gitlab.com>
Reviewed-by: Halil Coban <hcoban@gitlab.com>
Co-authored-by: Halil Coban <hcoban@gitlab.com>