* specify the action priority in PortalType_addAction, because new added action is no longer the last one
* Don't call listActions in PortalType_deleteAction, this method is now private

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29583 20353a03-c40f-0410-a6d1-a30d3c3de9de