feat(toolbox): Refactor Toolbar and Toolbox to enable sections (#4825)

platform/app/public/config/default.js

@@ -6,13 +6,7 @@ window.config = {
   // whiteLabeling: {},
   extensions: [],
   modes: [],
-  customizationService: {
-    'viewportActionMenu.windowLevelActionMenu': {
-      $merge: {
-        location: 0,
-      },
-    },
-  },
+  customizationService: {},
   showStudyList: true,
   // some windows systems have issues with more than 3 web workers
   maxNumberOfWebWorkers: 3,