Cleanup around viewerbase and worklist

Packages/viewerbase/lib/helpers/formatPN.js

@@ -1,20 +1,7 @@
-UI.registerHelper('formatDA', function (context, format, options) {
+UI.registerHelper('formatPN', function (context, format, options) {
     if (!context) {
         return undefined;
     }
-    var pn = context;
-    var str = '';
-    if(pn.prefix) {
-        str = pn.prefix + ' ';
-    }
-    str +=  (pn.familyName || '') + ', ';
-    str +=  (pn.givenName || '');
-    if(pn.middleName) {
-        str += ' ' + pn.middleName;
-    }
-    if(pn.suffix) {
-        str += ' ' + pn.suffix;
-    }
-
-    return str;
+    var patientName = context.replace('^', ', ');
+    return patientName;
 });