We should have uniqueness across Google email and main email, meaning that if an account has addr A as main email and addr B as google email then no other account can have addr A or addr B as main email or google email.
When connecting to google, set main email to google email if not already set (that can happen for web3 users connecting to google)
We should have uniqueness across Google email and main email, meaning that if an account has addr A as main email and addr B as google email then no other account can have addr A or addr B as main email or google email. When connecting to google, set main email to google email if not already set (that can happen for web3 users connecting to google)