Steps to reproduce:
1. Go to Site (application site, or even try to access RH-SSO admin console)
2. Click Login -> redirected to RH SSO
3. Enter email/username and password credentials
4. DOUBLE-CLICK on the Login Button
==> This leads to an unexpected and misleading web page that only displays the following content:
YOU ARE ALREADY LOGGED IN.
Some customers see this as an issue/bug, also arguing for windows users who are used to double-clicking.