Fix reload of screen at the end of wizard

A wizard could be launch by a button defined on a children record. In this case,
the ids to reload is not the ids from the wizard as they are from the children
model but just the current record.

issue3519
review2571002
Force value of parent Reference field

Since 2.6, reference field can be used in One2Many so in this case the value
should be forced like for Many2One.

review2581002