Empty fields values on item update page

[OleksandrsLair]

1. Checked crudadmin/admin_interface/model_view.py:1078 at function get_model_update_page_inner
2. It's assign value to field field["value"] = item[field_name] but not to field_values like in crudadmin/templates/admin/model/update.html

[igorbenav]

Hmm makes sense, thanks @OleksandrsLair . Do you want to fix it?