wip on react transition 4

OHIFViewer/client/components/flexboxLayout/flexboxLayout.js

@@ -1,15 +1,5 @@
 import { Viewerbase } from 'meteor/ohif:viewerbase';
 
-Template.flexboxLayout.events({
-    'transitionend .sidebarMenu'(event) {
-        if (!event.target.classList.contains('sidebarMenu')) {
-            return;
-        }
-
-        window.ResizeViewportManager.handleResize();
-    }
-});
-
 Template.flexboxLayout.helpers({
     leftSidebarOpen() {
         return Template.instance().data.state.get('leftSidebar');