docs(auth): update account-exists guidance after fetchSignInMethodsForEmail removal by Lyokone · Pull Request #18547 · firebase/flutterfire

✅ All contributors are covered under a CLA with Google

See https://cla.developers.google.com/ for more info about Google's Contributor License Agreement (CLA).

ℹ️ Googlers: Go here to view more details and manage scans for this pull request.

@Lyokone

The following contributors were found for this pull request:

✅ 9644800 Author: @Lyokone <gu*****me@bernos.dev>

(Only the first commit for a unique contributor is listed.)