Blocked staged user can still "post"

[carlokok]

a blocked staged user can still “post” new things via email.

[codinghorror (Jeff Atwood)]

How did a user get to staged and blocked, exactly?

[zogstrip (Régis Hanol)]

Here’s a fix (doesn’t care if it’s a staged user or not)

https://github.com/discourse/discourse/commit/cad7fc10620ac8daaf4e563438bc6574f63f5784