LT-242: Sharing same timepoints source among all the sub-templates that use it

Packages/lesiontracker/client/components/lesionTableHUD/lesionTableHUD.html

@@ -6,7 +6,7 @@
                 <use xlink:href="/packages/lesiontracker/assets/icons.svg#icon-ui-close"></use>
             </svg>
         </div>
-        {{>lesionTableView}}
+        {{>lesionTableView (extend this)}}
         <div class="footer">
             {{#each toolbarButton in toolbarButtons}}
                 {{>toolbarSectionButton toolbarButton}}

Packages/lesiontracker/client/components/lesionTableHUD/lesionTableHUD.js

@@ -1,3 +1,9 @@
+Template.lesionTableHUD.onCreated(() => {
+    const instance = Template.instance();
+
+    instance.data.timepoints = new ReactiveVar(instance.data.timepointApi.latest());
+});
+
 Template.lesionTableHUD.onRendered(() => {
     const instance = Template.instance();
     instance.$('#lesionTableHUD').resizable().draggable();