Fixed up the way we call fields. When using model fields, you will miss formfields which have been set later.
Fixed up the way we call fields. When using model fields, you will miss
formfields which have been set later.

Meaning form fields which are not defined in the model, will be omitted.
This fix makes sure the fields are retrieved from the form instead of
the model

sanoma/django-arctic,dgbc/django-arctic,sanoma/django-arctic,ddaan/django-arctic,dgbc/django-arctic,ddaan/django-arctic,dgbc/django-arctic,sanoma/django-arctic,ddaan/django-arctic