LT-251: Showing only the active timepoint and creating 'Show additional timepoints' button and behavior

Packages/viewerbase/client/components/studyBrowser/studyBrowser/studyBrowser.html

@@ -2,7 +2,7 @@
     <div class="studyBrowser">
         <div class="scrollableStudyThumbnails">
             {{#each study in studies}}
-                {{#each thumbnail in thumbnails}}
+                {{#each thumbnail in (studyThumbnails study)}}
                     {{>thumbnailEntry thumbnail=thumbnail}}
                 {{/each}}
             {{/each}}

Packages/viewerbase/client/components/studyBrowser/studyBrowser/studyBrowser.js

@@ -1,18 +1,7 @@
 Template.studyBrowser.helpers({
-    studies : function() {
-        return ViewerStudies.find({selected: true});
-    },
-    thumbnails: function() {
-        var study = this;
-        var stacks = createStacks(study);
-
-        var array = [];
-        stacks.forEach(function(stack, index) {
-            array.push({
-                thumbnailIndex: index,
-                stack: stack
-            });
+    studies() {
+        return ViewerStudies.find({
+            selected: true
         });
-        return array;
     }
-});
+});