修复6月25日合并271时，变量类型未同步更新的问题

koisi

2024-08-05 c1a8e62f2341e380f25f9f5b5029865777c0118a

 src/main/java/com/genersoft/iot/vmp/media/service/impl/MediaServerServiceImpl.java

@@ -763,7 +763,7 @@
            calld = streamAuthorityInfo.getCallId();
        }
        List<StreamInfo> streamInfoList = getMediaList(mediaInfo, app, stream, calld);
        if (streamInfoList.isEmpty()) {
        if (streamInfoList == null || streamInfoList.isEmpty()) {
            return null;
        }else {
            return streamInfoList.get(0);