Bug 1003843 - Follow up to Bug 951676 - [Messages][Refresh] Add specific image in case of more than one recipient in the list threads. r=schung

> I'm not sure this is correct though; 

Didn't get why.. will ask on IRC :) 

>  maybe we should look at the dataset (I think we have a isDraft property there).

I thought the same, but there is no such thing

> I don't exactly remember, but I think drafts' "threadId" start with "draft-" so in that case it's good enough.

Yep, do you suggest ```node.id.indexOf('thread') === 0```?