[FIX] account: auto-post date
[FIX] account: auto-post date

Tests can fail when they are run at the moment when `fields.Date.today`
is different from `fields.Date.context_today`.

closes odoo/odoo#39079

X-original-commit: 0405f4a35bcad60fd99b1a05ffc8d9774e9a2829
Signed-off-by: Nicolas Martinelli (nim) <771435c469f83f6aa9c405ac5e1ed06314a94f2d@odoo.com>

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