feat(4D): Add 4D dynamic volume rendering and new pre-clinical 4d pt/ct mode (#3664)

Co-authored-by: Alireza <ar.sedghi@gmail.com>
Co-authored-by: Neil <neil.a.macphee@gmail.com>

platform/app/src/appInit.js

@@ -19,6 +19,7 @@ import {
   errorHandler,
   CustomizationService,
   PanelService,
+  WorkflowStepsService,
   // utils,
 } from '@ohif/core';
 
@@ -68,6 +69,7 @@ async function appInit(appConfigOrFunc, defaultExtensions, defaultModes) {
     CineService.REGISTRATION,
     UserAuthenticationService.REGISTRATION,
     PanelService.REGISTRATION,
+    WorkflowStepsService.REGISTRATION,
     StateSyncService.REGISTRATION,
   ]);