修复回放失败出现脏数据的问题以及添加拉流代理判断错误的问题

src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java

@@ -314,6 +314,7 @@ public class PlayServiceImpl implements IPlayService {
         }, event -> {
             msg.setData(String.format("回放失败， 错误码： %s, %s", event.statusCode, event.msg));
             callback.call(msg);
+            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
         });
         return result;
     }