Password reset not working with username #2502

When trying to reset password on User who has empty email field, i.e. only has the email in username field, it throws error No user found with email

Steps to reproduce

1. Register new user using an email and password. E.g. set user.Username = "a@b.c" - do not set email field.
2. When registered, request password reset

Expected Results

"This will attempt to match the given email with the user’s email or username field, and will send them a password reset email." as stated in docs.

Actual Outcome

Returns error: No user found with email a@b.c