[FIX] account: # of digits
[FIX] account: # of digits

The field "# of Digits" is not accessible as soon as a chart of account
has been chosen. This should not be the case since the method
`reflect_code_digits_change` handles it.

opw-724619

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo