sale_commission: propagate agents from company to contacts

[ernestotejeda]

Cc @Tecnativa

[pedrobaeza]

We can assign also agents on create when 'parent_id' in vals and agents not in vals`

[cubells]

You should increase the module version too.

[ernestotejeda]

No problem when you create a contact from * Sales -> Orders -> Customers * and you select the parent company to which it belongs, but, when the contacts are created as part of the insertion of data for the creation of the parent company; From the contact's create method, the agents of the parent company (self.browse (vals ['parent_id']). agents) returns an empty record set, so I can not pass the company's agents to those contacts.
I do not know why self.browse(vals['parent_id']).agents returns an empty record set, apparently this happens because it's a many2many field.
I can't pass this field as default by context apparently because it's a many2many field

[pedrobaeza]

@ernestotejeda check last commit. With this, it's working without problems.

[ernestotejeda]

I added a known issue and squash