* Assignee can pass workflow transition, but cannot see the document in draft. Fix that by giving View to Assignee in draft.
* Assignee / Assignor cannot view a cancelled career, but only them use cancel transition. Fix that by giving View to Assignee / Assignor in cancelled state.
* Give view to Auditor in both cancelled and draft.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34662 20353a03-c40f-0410-a6d1-a30d3c3de9de