Make worklist definition more realistic. It fixes a bug in SQL-cached version of worklist test, because the same objects caused 2 lines to be present in worklist cache, which are summed afterward - hence causing a 2-objects worklist to be displayed when there is actualy just one object.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18332 20353a03-c40f-0410-a6d1-a30d3c3de9de