[FIX] l10n_it_stock_ddt: condition to create the l10n_it_ddt_sequence_id

The condition to create is wrongly evaluated and does not take into account
the country code and the picking type code. This commit fixes this by
reordering the conditions.

closes odoo/odoo#133146

Signed-off-by: Josse Colpaert <jco@odoo.com>