[FIX] sale: no company
[FIX] sale: no company

Avoid crash at currency conversion when no company is set on the SO

opw-2009044

closes odoo/odoo#34408

Signed-off-by: Nicolas Martinelli (nim) <771435c469f83f6aa9c405ac5e1ed06314a94f2d@odoo.com>
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo