[FIX] sale: use date_order for pricelist selection
[FIX] sale: use date_order for pricelist selection

The date of the sale order was ignored when selecting th eappropriate pricelist
rule.

Fixes #18303
Closes #18308

Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,ygol/odoo,Elico-Corp/odoo_OCB,ygol/odoo,ygol/odoo,Elico-Corp/odoo_OCB,ygol/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,ygol/odoo,ygol/odoo,ygol/odoo