fix getDirectTeammate so that if teammate is the second id it doesn't return null

web/react/utils/utils.jsx

@@ -729,19 +729,21 @@ module.exports.isComment = function(post) {
 
 module.exports.getDirectTeammate = function(channel_id) {
     var userIds = ChannelStore.get(channel_id).name.split('__');
+    var curUserId = UserStore.getCurrentId();
+    var teammate = {};
 
-  if(userIds.length != 2) {
+    if(userIds.length != 2 || userIds.indexOf(curUserId) === -1) {
-    return;
+        return teammate;
     }
 
-  var curUser = UserStore.getCurrentId();
+    for (var idx = 0; idx < userIds.length; idx++) {
-
+        if(userIds[idx] !== curUserId) {
-  for(var idx in userIds) {
+            teammate = UserStore.getProfile(userIds[idx]);
-    if(userIds[idx] === curUser)
+            break;
-      delete userIds[idx];
+        }
     }
 
-  return UserStore.getProfile(userIds[0])
+    return teammate;
 }
 
 Image.prototype.load = function(url, progressCallback) {