fix: IDC-2288: Update toolbar tabs after derived displayset loaded (#2307)

* Update toolbar tabs after derived displayset loaded

* trigger CI

Co-authored-by: Davide Punzo <punzodavide@hotmail.it>

platform/core/src/utils/loadAndCacheDerivedDisplaySets.js

@@ -49,9 +49,7 @@ import studyMetadataManager from './studyMetadataManager';
  */
 const loadAndCacheDerivedDisplaySets = (referencedDisplaySet, studies) => {
   const { StudyInstanceUID, SeriesInstanceUID } = referencedDisplaySet;
-
   const promises = [];
-
   const studyMetadata = studyMetadataManager.get(StudyInstanceUID);
 
   if (!studyMetadata) {
@@ -112,6 +110,16 @@ const loadAndCacheDerivedDisplaySets = (referencedDisplaySet, studies) => {
     promises.push(recentDisplaySet.load(referencedDisplaySet, studies));
   });
 
+  Promise.all(promises).then(() => {
+    /*
+     * TODO: Improve the way we notify parts of the app
+     * that depends on derived display sets to be loaded.
+     * (Implement pubsub for better tracking of derived display sets)
+     */
+    const event = new CustomEvent('deriveddisplaysetsloadedandcached');
+    document.dispatchEvent(event);
+  });
+
   return promises;
 };