Add chatter to product_product
CHANGELOG:
### Added
- [#845](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/845) Add chatter to `product.product` model
Related card: https://trello.com/c/DwydVdnv/1327-posar-un-chatter-en-el-model-productproduct
Edited by Pelayo García