Can't browse collections without being logged in

<img width="839" height="374" alt="Image" src="https://github.com/user-attachments/assets/0765d504-9193-4533-b8f3-c49e0bd2ab8c" />

Based on the error message I assume that the problem is with the user not being logged in.

[A separate issue](https://github.com/SynBioHub/synbiohub3/issues/897) related to collections might also rely on this being fixed first.