If we're to change the invoice policy of a product we'd provoke a
chained computation of every sale line and sale order containing such
product. This change goes along with the policy of applying such changes
only to future orders, as stated here: https://github.com/odoo/odoo/pull/61135



closes odoo/odoo#64506

Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>