[kulmann]

Description

When a guest with an active session opened a route that needs a user (e.g. a user-only app or an IdP route), the guest session was ended, so the guest lost access to their shares and was sent to the login.

Now an active guest session is kept and the guest is redirected to their shares instead. All other cases behave as before:

• active guest session → redirect to the guest shares
• no active guest session (e.g. persisted only, expired or not restorable), or no guest shares route available → guest session is ended and the login is shown as before

How Has This Been Tested?

• test environment: unit tests (Vitest)
• test case 1: setupAuthGuard redirects user/IdP routes to the guest shares for an active guest session
• test case 2: setupAuthGuard falls back to the login without a guest session or without the guest shares route
• test case 3: setupAuthGuard prefers a signed-in user over a guest session
• test case 4: authService keeps an active guest session on user/IdP routes instead of ending it

[JammingBen]

👍