Fix/sr hydration non tracking (#3080)

* fix:DICOM SR hydration - remove redundancies

feat:Allow save and restore on non-tracking view

* PR comments

extensions/cornerstone-dicom-sr/src/utils/getLabelFromDCMJSImportedToolData.js

@@ -0,0 +1,23 @@
+/**
+ * Extracts the label from the toolData imported from dcmjs. We need to do this
+ * as dcmjs does not depeend on OHIF/the MeasurementService, it just produces data for cornestoneTools.
+ * This optional data is available for the consumer to process if they wish to.
+ * @param {object} toolData The tooldata relating to the
+ *
+ * @returns {string} The extracted label.
+ */
+export default function getLabelFromDCMJSImportedToolData(toolData) {
+  const { findingSites = [], finding } = toolData;
+
+  let freeTextLabel = findingSites.find(
+    fs => fs.CodeValue === 'CORNERSTONEFREETEXT'
+  );
+
+  if (freeTextLabel) {
+    return freeTextLabel.CodeMeaning;
+  }
+
+  if (finding && finding.CodeValue === 'CORNERSTONEFREETEXT') {
+    return finding.CodeMeaning;
+  }
+}