Automatically provisioning SSO users on first login does not work when registrations are closed

Summary

When registrations are closed, SSO is enabled, but not requried, and Automatically provision users on first SSO login is set to True, my expectation would be that SSO users would still be auto provisioned. This does not happen and users are instead met with the screen that registrations are disabled.

Steps to reproduce

1. Enabled & configure SSO
2. Set registrations to disabled
3. Set Require SSO (disables local password login and registration) to False
4. Set Automatically provision users on first SSO login to True
5. Try logging in with a SSO user that hasn't been pre-provisioned on Fluxer.

Environment

Version: Stable Web 2026.616.45607, Linux (x64), Firefox 152.0, Locale en-US Server OS: Debian 13 Client OS: Arch Linux Browser: Firefox 152.0.1 Device: Laptop

Logs or screenshots

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