[FIX] website_sale: searchbar also search product code

Step to reproduce:
- Search code of product in website_sale search bar

Current Bheaviour:
- No result

Behaviour after PR:
- Search also try to match , similar behaviour to V14 and before

opw-2737648

closes odoo/odoo#83506

Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>