Original PR description

**Description of the issue/feature this PR addresses:**
Create those models
```python
class Order(models.Model)
      _name = 'order'

     line_ids = fields.One2many(comodel='order.line', inverse='order_id')

class OrderLine(models.Model)
      _name = 'order.line'

     order_id = fields.Many2one(comodel='order')
```

- create `order(1)`, with `line_ids = order.line(1)`.
- execute `self.env['order'].with_context(default_line_ids=[1]).create({})`.

Result:
`order(1)`, with `line_ids = None`.
`order(2)`, with `line_ids = order.line(1)`.

--> `order(2)` has stolen `order.line(1) `

@odony @rco-odoo 

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