Checkout incorrectly shows not logged in on refresh after gateway creates account

### Reproduction Steps

1. Configure the LifterLMS Stripe (likely happening with other gateways too)
2. Perform a paid checkout with an invalid card number. The user account is created during this process.
3. Wait for page to refresh

### Expected Behavior

Shows that you are logged in as

### Actual Behavior

Shows email address + password fields. Refreshing the page will then show that you are logged in as expected.

https://github.com/user-attachments/assets/648f60de-f484-48cf-b245-63bc09067aef