Fix not rendering on team member update in more direct channels modal (#2891)

webapp/components/more_direct_channels.jsx

@@ -60,6 +60,10 @@ export default class MoreDirectChannels extends React.Component {
             return true;
         }
 
+        if (!Utils.areObjectsEqual(nextState.teamMembers, this.state.teamMembers)) {
+            return true;
+        }
+
         return false;
     }