[FIX] point_of_sale: correct typo in order pricelist selection
[FIX] point_of_sale: correct typo in order pricelist selection

Typo introduced in 44f9e923c29bb96b28db6df12f0ff5b3d42d9558
prevented the selection of the correct non-default pricelist.

bplancher/odoo,ygol/odoo,Elico-Corp/odoo_OCB,dfang/odoo,storm-computers/odoo,storm-computers/odoo,dfang/odoo,ygol/odoo,laslabs/odoo,hip-odoo/odoo,hip-odoo/odoo,bplancher/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,ygol/odoo,bplancher/odoo,laslabs/odoo,storm-computers/odoo,hip-odoo/odoo,storm-computers/odoo,storm-computers/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,dfang/odoo,Elico-Corp/odoo_OCB,dfang/odoo,laslabs/odoo,hip-odoo/odoo,bplancher/odoo,laslabs/odoo,ygol/odoo,Elico-Corp/odoo_OCB,dfang/odoo,dfang/odoo,bplancher/odoo,ygol/odoo,laslabs/odoo,ygol/odoo,hip-odoo/odoo,storm-computers/odoo,laslabs/odoo,ygol/odoo,bplancher/odoo