Fix newSet detection on chat messages

public/src/client/chats.js

@@ -136,11 +136,13 @@ define('forum/chats', ['components', 'string', 'sounds', 'forum/infinitescroll',
 	Chats.addSocketListeners = function() {
 		socket.on('event:chats.receive', function(data) {
 			var typingNotifEl = $('.user-typing'),
-				containerEl = $('.expanded-chat ul');
+				containerEl = $('.expanded-chat ul'),
+				lastSpeaker = parseInt(containerEl.find('.chat-message').last().attr('data-uid'), 10);
 
 			if (Chats.isCurrentChat(data.withUid)) {
 				newMessage = data.self === 0;
 				data.message.self = data.self;
+				data.message.newSet = lastSpeaker !== data.message.fromuid;
 				Chats.parseMessage(data.message, onMessagesParsed);
 			} else {
 				$('.chats-list li[data-uid="' + data.withUid + '"]').addClass('unread');

public/src/modules/chat.js

@@ -457,7 +457,10 @@ define('chat', ['components', 'taskbar', 'string', 'sounds', 'forum/chats', 'tra
 	}
 
 	module.appendChatMessage = function(chatModal, data, done) {
-		var chatContent = chatModal.find('.chat-content');
+		var chatContent = chatModal.find('.chat-content'),
+			lastSpeaker = parseInt(chatContent.find('.chat-message').last().attr('data-uid'), 10);
+
+		data.newSet = lastSpeaker !== data.fromuid;
 
 		Chats.parseMessage(data, function(html) {
 			var message = $(html);