Fixes #23782 - restore login disabling

Fixes #23169 - Orders settings alphabetically

Fixes #17204 - Sort setting UI category tabs consistently

Fixes #17844 - unify test mail js code

Fixes #12156 - Adds email configuration into Foreman settings

Instead using email.yaml, the email configuration
can be modified dynamically via settings.

Fixes #17120 - Allow custom name for setting category

Fixes #12945 - use helper for table css classes

Fixes #7167 - names of settings marked for translation

Fixes #9589 - Add documentation button to various models

Fixes #8785 - HTML syntax fixes - add thead/tbody, fix formatting