Set contributor to logged in user at end of transaction. This way user editing document gets added in contribute list in next page view (without waiting for activities to fill it in).
Because execution speed of set contributor script is quite minimal and fact that activities due have an overhead this trade off seems acceptable.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@32845 20353a03-c40f-0410-a6d1-a30d3c3de9de