Editable date_done and traces in mail.activity
CHANGELOG:
### CHANGED
- [#450](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/450) Activity date_done now editable and changes traceable
Edited by Pelayo García
CHANGELOG:
### CHANGED
- [#450](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/450) Activity date_done now editable and changes traceable