Refactor ChannelListFilter to use get_descendants on queryset
Refactor ChannelListFilter to use get_descendants on queryset

YACOWS/opps,YACOWS/opps,williamroot/opps,opps/opps,opps/opps,YACOWS/opps,williamroot/opps,jeanmask/opps,williamroot/opps,williamroot/opps,jeanmask/opps,jeanmask/opps,opps/opps,opps/opps,YACOWS/opps,jeanmask/opps