Merge branch 'adjust_admin_display_duo_addon' into 'master'

Simplify admin_display_duo_addon_settings? method

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183970



Merged-by: Eduardo Bonet <ebonet@gitlab.com>
Approved-by: Matthias Käppler <mkaeppler@gitlab.com>
Approved-by: Eduardo Bonet <ebonet@gitlab.com>
Reviewed-by: Matthias Käppler <mkaeppler@gitlab.com>
Co-authored-by: Mohamed Hamda <mhamda@gitlab.com>