Merge branch 'el-display-username-in-iv-pages' into 'master'

Display current user's username in Identity Verification page

Closes gitlab-org/modelops/anti-abuse/team-tasks#708

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/159509



Merged-by: Rutger Wessels <rwessels@gitlab.com>
Approved-by: Jack Chapman <jachapman@gitlab.com>
Approved-by: Panos Kanellidis <pkanellidis@gitlab.com>
Approved-by: Rutger Wessels <rwessels@gitlab.com>
Reviewed-by: Rutger Wessels <rwessels@gitlab.com>
Reviewed-by: Panos Kanellidis <pkanellidis@gitlab.com>
Co-authored-by: Eugie Limpin <elimpin@gitlab.com>