Documentation on Handling account-exists-with-different-credential Errors is obsolete

Documentation on Handling account-exists-with-different-credential Errors is obsolete
https://firebase.google.com/docs/auth/web/google-signin#expandable-1

Is it intended that email is now gotten from error.customData.email?

Start with the linked Firebase Google Sign-In documentation and inspect the handling of account-exists-with-different-credential errors, especially how the email is obtained. Compare the documented property with the current Firebase Auth behavior; done means the documentation accurately explains the supported email source.

Written by the indexing model from the issue text.