shipment state wrongly computed when move recreated
The sale_supply_drop_shipment scenario fails[1] since #6440 (closed).
The computation of move remaining quantity is wrong because it count the recreated move even if there are not done.
[1] https://drone.tryton.org/trypod.tryton.org/tryton/modules.sale_supply_drop_shipment/default/f54cdfc6ac4ba11cc7e48a69be7cc83c21848b82