优化通道同步添加对SN的判断，精简代码

648540858

2022-04-17 0dc1807f621ce9077b58dff40ad4485c9a3d6c40

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/SIPProcessorObserver.java

@@ -72,7 +72,7 @@
    @Override
    @Async
    public void processRequest(RequestEvent requestEvent) {
        logger.info("\n收到请求：\n{}", requestEvent.getRequest());
        logger.debug("\n收到请求：\n{}", requestEvent.getRequest());
        String method = requestEvent.getRequest().getMethod();
        ISIPRequestProcessor sipRequestProcessor = requestProcessorMap.get(method);
        if (sipRequestProcessor == null) {