[FIX] account: Fix tax lines generation with analytic

The analytic account/tags must be set on taxes only when the 'analytic' box is ticked.

closes odoo/odoo#39088

--task: 2089557
X-original-commit: 0ed22404
Signed-off-by: Quentin De Paoli (qdp) <qdp@openerp.com>