[IMP] column management in project / crm

- Task: https://www.odoo.com/web#id=8545&view_type=form&model=project.task&menu_id=3942&action=327
- Pad: https://pad.odoo.com/p/r.PJlXkLVOd4QZaxGR
i've seen resolve_2many_commands(). According to need of our task, i use different scenario for lessen the function calls for updating ids in copy behavior of stages.