[IDC-1670] Better display of derived datasets in side panel. (#1962)

* WIP

* WIP

* WIP

* WIP

* Working click on seg.

* Load SEG if not loaded and set active.

* RTSTRUCT

* feat: 🎸 Display SEG and RTSTRUCT in side panel

* Throw error if dataset not available.

* Add delay in microscopy viewer e2e test.

* Add delay in microscopy viewer e2e test.

extensions/dicom-segmentation/src/getOHIFDicomSegSopClassHandler.js

@@ -1,5 +1,6 @@
 import { MODULE_TYPES, utils } from '@ohif/core';
 import loadSegmentation from './loadSegmentation';
+import getSourceDisplaySet from './getSourceDisplaySet';
 
 // TODO: Should probably use dcmjs for this
 const SOP_CLASS_UIDS = {
@@ -54,6 +55,10 @@ export default function getSopClassHandlerModule({ servicesManager }) {
         SeriesDescription,
       };
 
+      segDisplaySet.getSourceDisplaySet = function(studies) {
+        return getSourceDisplaySet(studies, segDisplaySet);
+      };
+
       segDisplaySet.load = function(referencedDisplaySet, studies) {
         return loadSegmentation(segDisplaySet, referencedDisplaySet, studies);
       };