fix: 修复视频配置切换流媒体平台未晴空流媒体配置

@@ -268,6 +268,7 @@ export const formSchema: QFormSchema[] = [
             playProtocol: PlayProtocol.HTTP,
             sn: null,
             channelNo: null,
+            videoPlatformId: null,
           });
         },
       };