Check if product is in pack to relate the fiber contracts
CHANGELOG:
### Added
- [#910](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/910) Check if product is in pack to relate the fiber contracts
Relate only the contracts in pack. Check if the mobile products is the pack product to relate the parent fiber contract.
Edited by Gerard Funosas