[IMP] point_of_sale: use 'available_in_pos' filter for products
[IMP] point_of_sale: use 'available_in_pos' filter for products

Rather than a domain.

hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,dfang/odoo,dfang/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,dfang/odoo,hip-odoo/odoo,dfang/odoo