[FIX] l10n_no: set correct default purchase tax
[FIX] l10n_no: set correct default purchase tax

25% rate is the default VAT rate and not 0%.

Encountered this bug when a test case failed for
Norway SAF-T PR, see odoo/enterprise#9724

closes odoo/odoo#49662

X-original-commit: 0d4fe47745d241b99a690c16554383a4e3c7c86b
Signed-off-by: Josse Colpaert <1f46e7f017caa89a77c9557ed26b800e8d5d7700@openerp.com>

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