copy product with pydantic model_copy instead of copy.deepcopy
I hit an error with this after some changes that I think monkeypatched a class. I don't know if the error is related to this or not, but it would be better to do this copy the Pydantic way rathe than the generic way.
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[X] I have added my changes to the CHANGELOGor a CHANGELOG entry is not required.
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copy product with pydantic model_copy instead of copy.deepcopy
I hit an error with this after some changes that I think monkeypatched a class. I don't know if the error is related to this or not, but it would be better to do this copy the Pydantic way rathe than the generic way.
PR Checklist: