[FIX] l10n_nl: traceback on purchase journal creation

With l10n_nl, create a purchase journal -> traceback
Ids was appended to ORM command list, instead of the ids list.
Moreover, it was filled even if there were no missing value.

opw-2801012

closes odoo/odoo#87445

Signed-off-by: Florian Gilbert <flg@odoo.com>