[FIX] portal: use expected ID format
[FIX] portal: use expected ID format

Introduced during forward port at 6a7db305
_company_default_get returns a res.company record, not an ID

opw-1855856

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