[project] Onboarding

- Task: https://www.odoo.com/web/#id=10467&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.5sIeAQv7J7qXYCmI
because, task date_deadline not create from SO , then no need to test