[quotation] validy/Expiry Date

- Task: https://www.odoo.com/web/#id=9362&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.WMJGiGvsWBjI6lHO
Is'nt it possible to use a in ['draft', 'sent'] statement ?