[IMP] website_sale_delivery: return recordset instead of ids
[IMP] website_sale_delivery: return recordset instead of ids

Convert the method _get_delivery_methods to return recordset instead of ids.
This avoids rebrowsing records already computed.

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