[Accounting] revenue recognition

- Task: https://www.odoo.com/web?#id=6357&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.n8sCRDTVK3sqmxsV
The purpose of this widget is to show toggle button on depreciation/installment lines for posted/unposted line.