Ensure U2F javascript runs on GroupSAML callback
What
Includes U2F javascript on Group::OmniauthCallbackController
pages
Why
U2F was broken when signing in to GitLab.com using Group SAML. This was because the page dependant javascript wasn't included for that function
Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/11796
Acceptance criteria
Edited by James Edwards-Jones