feat: Merge Data Source (#3788)

Add the ability to merge two different series queries to generate a complete study query result.  Provides basic support for other types of merges, but those aren't yet added as full features.

platform/core/src/extensions/ExtensionManager.ts

@@ -464,7 +464,8 @@ export default class ExtensionManager extends PubSubService {
     const { userAuthenticationService } = this._servicesManager.services;
     const dataSourceInstance = module.createDataSource(
       dataSourceDef.configuration,
-      userAuthenticationService
+      userAuthenticationService,
+      this
     );
 
     this.dataSourceMap[dataSourceDef.sourceName] = [dataSourceInstance];

platform/core/src/services/DicomMetadataStore/DicomMetadataStore.ts

@@ -186,6 +186,18 @@ const BaseImplementation = {
       madeInClient,
     });
   },
+  updateSeriesMetadata(seriesMetadata) {
+    const { StudyInstanceUID, SeriesInstanceUID } = seriesMetadata;
+    const series = _getSeries(StudyInstanceUID, SeriesInstanceUID);
+    if (!series) {
+      return;
+    }
+
+    const study = _getStudy(StudyInstanceUID);
+    if (study) {
+      study.setSeriesMetadata(SeriesInstanceUID, seriesMetadata);
+    }
+  },
   addSeriesMetadata(seriesSummaryMetadata, madeInClient = false) {
     if (!seriesSummaryMetadata || !seriesSummaryMetadata.length || !seriesSummaryMetadata[0]) {
       return;