Revert "[#2368] fix template filter to use content_object"
Revert "[#2368] fix template filter to use content_object"

This reverts commit 7ceeae187bb61a237d32edafb1fb73cd58fa3f08.

hydroshare/hydroshare,hydroshare/hydroshare,hydroshare/hydroshare,hydroshare/hydroshare,hydroshare/hydroshare