fix webrtc player assert failed because media empty

Kairlec

2024-03-21 afed8161b1647710de281fa625e796b151cc55cd

 src/main/java/com/genersoft/iot/vmp/service/IStreamPushService.java

@@ -115,4 +115,7 @@
     */
    ResourceBaseInfo getOverview();

    Map<String, StreamPushItem> getAllAppAndStreamMap();


}