reverting dispatched session open

jetty-websocket/websocket-server/src/main/java/org/eclipse/jetty/websocket/server/WebSocketServerConnection.java

@@ -68,18 +68,11 @@ public class WebSocketServerConnection extends AbstractWebSocketConnection
     public void onOpen()
     {
         boolean beenOpened = opened.getAndSet(true);
-        super.onOpen();
         if (!beenOpened)
         {
-            execute(new Runnable()
+            factory.sessionOpened(getSession());
-            {
-                @Override
-                public void run()
-                {
-                    factory.sessionOpened(getSession());
-                }
-            });
         }
+        super.onOpen();
     }
 
     @Override