[IMP] search a product on supplier reference and name

Hello,

Goal: In Purchase orders and supplier invoices, we should be able to retrive a record based on searching product by its supplier reference

Task: https://www.odoo.com/web#id=6951&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.aok9ne2C8jVbL0GY

Thanks.
I would put it after the following search about default_code, to be sure it is done after the "legacy" search.