Fix conversation feature step to click comment box
Fix conversation feature step to click comment box

* After having fixed ability to comment on conversations after convert to
  task feature, the selector to the comment box had changed.

nfredrik/teambox,vveliev/teambox,codeforeurope/samenspel,crewmate/crewmate,rahouldatta/teambox,irfanah/teambox,nfredrik/teambox,vveliev/teambox,irfanah/teambox,teambox/teambox,vveliev/teambox,rahouldatta/teambox,rahouldatta/teambox,teambox/teambox,nfredrik/teambox,irfanah/teambox,irfanah/teambox,ccarruitero/teambox,nfredrik/teambox,vveliev/teambox,crewmate/crewmate,ccarruitero/teambox,teambox/teambox,crewmate/crewmate,codeforeurope/samenspel