add error handling for repeated connected status

Author: zmarkan

src/main/java/com/pusher/client/connection/websocket/WebSocketConnection.java

@@ -191,7 +191,10 @@ private void handleConnectionMessage(final String message) {
         final Map dataMap = GSON.fromJson(dataString, Map.class);
         socketId = (String)dataMap.get("socket_id");
 
-        updateState(ConnectionState.CONNECTED);
+        if(state != ConnectionState.CONNECTED){
+            updateState(ConnectionState.CONNECTED);
+
+        }
         reconnectAttempts = 0;
     }