Added option to sort unread chats to top

lib/view/pages/talk/chatList.dart

@@ -67,8 +67,10 @@ class _ChatListState extends State<ChatList> {
 
           List<ChatTile> chats = [];
           for (var chatRoom in data.getRoomsResponse.sortBy(
-              lastActivity: true,
-              favoritesToTop: Provider.of<SettingsProvider>(context).val().talkSettings.sortFavoritesToTop)
+            lastActivity: true,
+            favoritesToTop: Provider.of<SettingsProvider>(context).val().talkSettings.sortFavoritesToTop,
+            unreadToTop: Provider.of<SettingsProvider>(context).val().talkSettings.sortUnreadToTop,
+          )
           ) {
             chats.add(ChatTile(data: chatRoom, query: _query));
           }