[FIX] website_sale: default company on SO
[FIX] website_sale: default company on SO

In multi-company:
- Create 2 companies A and B
- Set the superuser on company B
- Set the website on company A

When a SO is generated from the eCommerce, it is defined on company B,
while it should be on company A.

opw-695253

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