Cross-origin-opener-policy error using localhost in Blazor WASM

I'm using Entra ID (External) in my Blazor WASM Standalone app for authentication and user management.

When I publish my app to Azure Static Web Apps, everything works fine but if I run it in debug mode locally - https://localhost:1234 - I get the cross-origin-opener-policy error after signing in and before the pop up closes.

The localhost redirect URL is set in my app registration for this Blazor app on Entra ID portal.

Any idea what may be the problem here and how to fix it?

PS: my Blazor WASM standalone app targets .NET 10 and has the latest updates/patches.