[OHIF-235] Lazy processing of DICOM SR for viewport. (#1849)

* Only process SR on consumption of viewport.

* remove debugger

Co-authored-by: Danny Brown <danny.ri.brown@gmail.com>

extensions/measurement-tracking/src/panels/PanelMeasurementTableTracking/index.js

@@ -40,6 +40,7 @@ function PanelMeasurementTableTracking({ servicesManager, extensionManager }) {
         trackedStudy === m.referenceStudyUID &&
         trackedSeries.includes(m.referenceSeriesUID)
     );
+
     const mappedMeasurements = filteredMeasurements.map((m, index) =>
       _mapMeasurementToDisplay(m, index, MeasurementService.VALUE_TYPES)
     );