Move server-side functions from viewerbase to worklist. Split multi-frame and single-image modalities into separate display sets (OHIF-36)

Packages/viewerbase/lib/helpers/isDisplaySetActive.js

@@ -1,7 +1,7 @@
 /**
  * Boolean helper to identify if a series instance is active in some viewport
  */
-Template.registerHelper('isSeriesActive', (seriesInstanceUid, viewportIndex) => {
+Template.registerHelper('isDisplaySetActive', (displaySetInstanceUid, viewportIndex) => {
     // Run this computation every time the viewports are updated
     Session.get('LayoutManagerUpdated');
 
@@ -19,7 +19,7 @@ Template.registerHelper('isSeriesActive', (seriesInstanceUid, viewportIndex) =>
 
     let result = false;
     _.each(viewportData, data => {
-        if (data && data.seriesInstanceUid === seriesInstanceUid) {
+        if (data && data.displaySetInstanceUid === displaySetInstanceUid) {
             result = true;
         }
     });

Packages/viewerbase/lib/helpers/studyThumbnails.js

@@ -2,8 +2,8 @@
  * A global Blaze UI helper to get the thumbnails for the given study
  */
 Template.registerHelper('studyThumbnails', study => {
-    // Creates the series stacks
-    const stacks = createStacks(study);
+    // Find the study's stacks
+    const stacks = study.displaySets;
 
     // Defines the resulting thumbnails list
     const thumbnails = [];