feat(segmentation mode): Add create, and export SEG with Brushes (#3632)

extensions/default/src/DicomWebDataSource/index.js

@@ -221,7 +221,7 @@ function createDicomWebApi(dicomWebConfig, userAuthenticationService) {
           await wadoDicomWebClient.storeInstances(options);
         } else {
           const meta = {
-            FileMetaInformationVersion: dataset._meta.FileMetaInformationVersion.Value,
+            FileMetaInformationVersion: dataset._meta?.FileMetaInformationVersion?.Value,
             MediaStorageSOPClassUID: dataset.SOPClassUID,
             MediaStorageSOPInstanceUID: dataset.SOPInstanceUID,
             TransferSyntaxUID: EXPLICIT_VR_LITTLE_ENDIAN,
@@ -295,6 +295,8 @@ function createDicomWebApi(dicomWebConfig, userAuthenticationService) {
         });
 
         instance.imageId = imageId;
+        instance.wadoRoot = dicomWebConfig.wadoRoot;
+        instance.wadoUri = dicomWebConfig.wadoUri;
 
         metadataProvider.addImageIdToUIDs(imageId, {
           StudyInstanceUID,