[FIX] account: avoid rounding issues when using a tax with multiple repartition lines
[FIX] account: avoid rounding issues when using a tax with multiple repartition lines

- create an invoice with only one line with a price of 91.56
- assign a tax of 15% using two 50% repartition lines to this invoice line

==> The total tax amount computed was 13.74; it should be 13.73.

closes odoo/odoo#35412

Signed-off-by: Laurent Smet <1328e3a5817ff065354bd0f7f4073cbb6dcc7eca@users.noreply.github.com>
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo