same as 31281. 'delivery' category is also used to record the relation between a solver decision and a delivery movement, so we need to specify portal_type in order to get related simulation movements only.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31294 20353a03-c40f-0410-a6d1-a30d3c3de9de