[IMP] product: Unify/Clean product demo data
[IMP] product: Unify/Clean product demo data

PURPOSE
=======

1. Unified product demo data
2. Less demo: one per use case
3. Demo data for all models

Specification
=============

1. Refactor all the brol in the demo data
2. Adapt the tests to make them green, as some products are
   renamed, removed, created in python instead of as demo data
   ...

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