Bug: CAS user email addresses not being updated on login

[vinmassaro]

YALB-1471: Bug: CAS user email addresses not being updated on login

Description of work

• When a user is added manually as a CAS user, a dummy email address is required to create the account. This was supposed to be updated with the user's real email address from a CAS Attribute after login, but is not working. This adds an additional configuration to use the mail CAS Attribute.
• Also adds noreply.yale.edu as the default email hostname when creating a new user manually, so end users don't need to fill it in. The email on the user account gets updated from CAS Attributes on the user's next CAS login.

Functional testing steps:

• Log in as user 1, create a new CAS user with your netID and set the email to [email protected]
• In a new browser session, log in through CAS with newly created user and edit the user account, verifying the email address has been updated from [email protected]

[github-actions]

Created multidev environment pr-359 for yalesites-platform.

[nJim]

Approved. This works for me. I wonder if we should set these as install-configs in the yale_cas module. Would be good for other's who want to use this service.