Fix collateral damages. Take into account uids for filtered selection at the level of selection params. Sort results in a canonical way so that results are predicated, tests possible, and user feels better by havin results grouped by workflow and state always in the same order.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31467 20353a03-c40f-0410-a6d1-a30d3c3de9de