Fix broken tasks page filter widget.
Fix broken tasks page filter widget.

Fixes https://unisubs.sifterapp.com/issues/1597

ofer43211/unisubs,ofer43211/unisubs,eloquence/unisubs,ReachingOut/unisubs,eloquence/unisubs,wevoice/wesub,pculture/unisubs,pculture/unisubs,ujdhesa/unisubs,norayr/unisubs,norayr/unisubs,ReachingOut/unisubs,eloquence/unisubs,ujdhesa/unisubs,wevoice/wesub,norayr/unisubs,ofer43211/unisubs,norayr/unisubs,ofer43211/unisubs,ReachingOut/unisubs,ujdhesa/unisubs,ujdhesa/unisubs,wevoice/wesub,pculture/unisubs,pculture/unisubs,eloquence/unisubs,wevoice/wesub,ReachingOut/unisubs