OHIF-163: Patient Name is displayed in correct format "Last Name, First Name" (#1820)

* Add util to formatpn

* Format patient name in patient information tab

extensions/measurement-tracking/src/viewports/TrackedCornerstoneViewport.js

@@ -233,7 +233,7 @@ function TrackedCornerstoneViewport({
           seriesDescription: SeriesDescription,
           modality: Modality,
           patientInformation: {
-            patientName: PatientName ? PatientName.Alphabetic || '' : '',
+            patientName: PatientName ? OHIF.utils.formatPN(PatientName.Alphabetic) : '',
             patientSex: PatientSex || '',
             patientAge: PatientAge || '',
             MRN: PatientID || '',