Add previous owner info to ISPInfo in the change address wizard
CHANGELOG:
### Fixed
- [#464](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/464) Add previous owner info to ISPInfo in the change address wizard
This wizard generates a new CRMLead with the new owner info, in this new crm lead we must set the old owner info to send this information to the OTRS ticket.
Edited by Pelayo García