Fix(ContractMobileTariffChangeWizard): send_notification parameter
CHANGELOG:
### Fixed
- [#957](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/957) Fix mobile tariff change wizard: always pass send_notification parameter
https://git.coopdevs.org/coopdevs/som-connexio/otrs-somconnexio/-/merge_requests/183/
Edited by Gerard Funosas