Add filter for Orange ID (suma_id) in BA contracts
CHANGELOG:
### Added
- [#880](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/880) Add filter for Orange BA contracts
Related card: https://trello.com/c/BcPzMjqC/1413-filtre-sumaid-a-contractes-ba
Edited by Pelayo García