[Edit] Hide root object

Act as if the object being edited is the root object when
in Edit mode, except in the Library pane (which has its own
means of getting the real root object.) WTD-922.

platform/commonUI/edit/src/controllers/EditPanesController.js

@@ -16,7 +16,7 @@ define(
             function updateRoot(domainObject) {
                 var context = domainObject &&
                     domainObject.getCapability('context'),
-                    newRoot = context && context.getRoot(),
+                    newRoot = context && context.getRealRoot(),
                     oldId = root && root.getId(),
                     newId = newRoot && newRoot.getId();