specify the grand parent rule when selecting invoice transaction rule...

specify the grand parent rule when selecting invoice transaction rule movements for normal (not from trade model) movements, otherwise they will be selected twice if movements from trade model lines are built

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28406 20353a03-c40f-0410-a6d1-a30d3c3de9de