Add missing 'invoice_type' to on_change of product

invoice_type is used in the on_change method of product.

issue3586
review2731002
(transplanted from 65bde6c273e26f8eb6cd7c5bff9ee5dab7ae7502)

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extra : transplant_source : e%BD%E6%C2s%E2o%8E%B6%CD%7C%5B%FF%9E%E5%DA%B7%AEu%02