User is forced to login (even for pages not requiring authentication) when session has expired

[matsbov]

Steps to reproduce:

• Log in to SBDI
• Do not close your browser
• Wait 24 hours for the session to expire on backend
• Visit a page not requiring authentication (eg https://records.biodiversitydata.se)
• The login screen will appear (when it shouldn't)

This is most likely due to the session having a timeout of 24 hours while the ALA-auth cookie is a session cookie. The bug seems to appear when the ALA-auth cookie outlives the session.

This is an upstream bug and can be reproduced on ALA.