Fix StudyPrefetcher import of getImageId. Update StandaloneViewer

Packages/ohif-viewerbase/client/lib/classes/StudyPrefetcher.js

@@ -5,6 +5,7 @@ import { _ } from 'meteor/underscore';
 import { OHIF } from 'meteor/ohif:core';
 import { OHIFError } from './OHIFError';
 import { StackManager } from '../StackManager.js';
+import { getImageId } from '../getImageId.js';
 
 export class StudyPrefetcher {
 

Packages/ohif-viewerbase/client/lib/getImageId.js

@@ -16,10 +16,10 @@ function updateQueryStringParameter(uri, key, value) {
  *
  * @param instance
  * @param frame
- * #param thumbnail
+ * @param thumbnail
  * @returns {string} The imageId to be used by Cornerstone
  */
-export function getImageId(instance, frame, thumbnail) {
+export function getImageId(instance, frame, thumbnail=false) {
     if (!instance) {
         return;
     }