[FIX] Add contract_ids to SwitchboardServiceContractInfo
CHANGELOG:
### Fixed
- [#1243](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1243) Add contract_ids to SwitchboardServiceContractInfo
Related card: https://trello.com/c/GmGurUtc/1913-error-edici%C3%B3-contractes-cv