Fix getCurrentInventoryState, getFutureInventoryState, getCurrentInventoryList, getFutureInventoryList, in order to have the same behaviour than getInventory.
getAvailableInventoryState and getAvailableInventoryList still need to be fixed.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@14071 20353a03-c40f-0410-a6d1-a30d3c3de9de