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KeyError when assigning moves containing consumable products

In 6.8 series, when assigning a production that mixes consumable and non consumable products I get the following traceback:

386341 140271948920512 [2023-05-25 12:26:20,826] ERROR trytond.protocols.wrappers <JSONRequest 1@127.0.0.1 'http://localhost:8000/xxxxx/' [POST] wizard.stock.shipment.assign.execute>
Traceback (most recent call last):
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/protocols/wrappers.py", line 189, in wrapper
    return func(request, pool, *args, **kwargs)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/protocols/dispatcher.py", line 204, in _dispatch
    result = rpc.result(meth(*c_args, **c_kwargs))
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/wizard/wizard.py", line 340, in execute
    result = wizard._execute(state_name)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/wizard/wizard.py", line 380, in _execute
    result = self._execute(transition())
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/modules/stock/shipment.py", line 2971, in transition_start
    self.record.assign_try()
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/model/descriptors.py", line 31, in newfunc
    return self.func(owner, [instance], *args, **kwargs)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/model/modelview.py", line 720, in wrapper
    return func(cls, records, *args, **kwargs)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/modules/production/production.py", line 784, in assign_try
    if Move.assign_try(to_assign):
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/modules/stock/move.py", line 1119, in assign_try
    to_assign.extend(cls.copy(
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/modules/account_invoice_stock/stock.py", line 75, in copy
    return super().copy(moves, default=default)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/model/workflow.py", line 62, in copy
    return super().copy(records, default=default)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/model/modelstorage.py", line 466, in copy
    data = convert_data(field_defs, values[id_], default_values)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/model/modelstorage.py", line 406, in convert_data
    data[field_name] = default[field_name](origin)
  File "/home/pokoli/.virtualenvs/xxxxx/lib/python3.10/site-packages/trytond/modules/stock/move.py", line 1020, in get_default
    return values[data['id']][name]
KeyError: 'product'

This seems related to #9802 (closed)

The problem is that we call copy with to different sets of default values. One containing the product field and the other not. The second does not contain the product, as it is a consumable product which only contains the location in the to_pick key.

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