[FIX] website_sale: do not copy last SO
[FIX] website_sale: do not copy last SO

- Create u1 as a portal user
- Connect as u1, add products to the cart
- Duplicate u1 (e.g. u2)
- Connect as u2

u2 retrieves the cart of u1.

opw-1847328

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo