bugfix：编辑国标设备时，若目录订阅周期本来不为0时不生效

lishuyuan

2023-10-27 da7889bf67ec400c96c4a68e61f8b6b4fbeef585

 src/main/java/com/genersoft/iot/vmp/conf/MediaConfig.java

@@ -233,5 +233,4 @@
        }
        return false;
    }

}