Support LDAP login tabs wrapping to second line (and a few other login fixes)
What does this MR do?
Fixes some regressions introduced for customers with multiple servers configured for login and/or long label names.
Also, improves styling for the login page on small screens.
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
See the bad behavior here: https://gitlab.com/gitlab-org/gitlab-ce/issues/23435#note_17117893
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
- Documentation created/updated
- All builds are passing
- Conform by the merge request performance guides
- Conform by the style guides
Branch has no merge conflicts with
master(if it does - rebase it please)
- Squashed related commits together