Allow non-logged-in users to access public libraries via "normal" link #183
Description
If a user is logged in, they can access a public library via either of these URL formats:
https://ui.adsabs.harvard.edu/user/libraries/<slug>https://ui.adsabs.harvard.edu/public-libraries/<slug>
If a user is not logged in, they can only access a public library via this URL format:
https://ui.adsabs.harvard.edu/public-libraries/<slug>
We should allow non-logged-in users to access public libraries via this URL format as well:
https://ui.adsabs.harvard.edu/user/libraries/<slug>