Automatically log in after successful multi-factor authentication

As a user, I want to be automatically logged in after I complete the last step of a mult-factor authentication process so that I have fewer steps and clicks before I am logged in.

Currently, after completing the final MFA step, CWC still sits at the login screen and we have to click the Login button to actually get into the system. It's a relatively small thing but it helps when we have a relatively short login timeout.