Remove log in link for users who are not signed in and create alias f…

[jatjhu]

…or jhuid

[github-actions]

This PR has no dependency differences with the base branch

[DonRichards]

@jatjhu How do I test this?

[jatjhu]

@DonRichards pull this down and go to the site as an anonymous user. The login link should not appear.
If you got to /jhlogin, it should start the saml sign in process.

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[github-actions]

This PR has no dependency differences with the base branch

[github-actions]

This PR has no dependency differences with the base branch

[DonRichards]

@jatjhu I tried this a few times and couldn't get it to work. Is there anything special about when & when it would work? Is it supposed to work on our local environment or just when it's deployed with JHED auth enabled?