Fix data not being expanded on register if email verification is on

[the-overengineer]

Fixes an error where the account was not being expanded when calling the postRegistrationHandler, but only if email verification was turned on.

For reproduction steps see #549

Fixes #549

[coveralls]

Coverage decreased (-0.003%) to 68.532% when pulling 34973db on fix/expand-data-with-email-verification into 3b242a0 on master.