Removes a specific quantity from quantityOnStock. This changes the availableQuantity, based on the number of active reservations. You can update quantityOnStock to values below zero.
Carts with existing `ReserveOnCart` reservations will not be invalidated by this update action and can still be ordered.
Removes a specific quantity from
quantityOnStock. This changes theavailableQuantity, based on the number of active reservations. You can updatequantityOnStockto values below zero.