front: Company registration: DRY form fields
front: Company registration: DRY form fields

Company registration form has many fields which were copy-pasted from
elsewhere.  Remove the duplicated translations and field types by
defining the fields using corresponding model fields's `formfield`
method to define the fields.

suutari-ai/shoop,shoopio/shoop,suutari-ai/shoop,suutari-ai/shoop,shoopio/shoop,shoopio/shoop