QmlDesigner: After removing xy bindings item should be resizable again

Change-Id: I415fdd2b5d974aa72baf2c91d22ed42a5a2d8682
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/plugins/qmldesigner/components/formeditor/resizeindicator.cpp

@@ -98,6 +98,9 @@ void ResizeIndicator::updateItems(const QList<FormEditorItem*> &itemList)
                 ResizeController controller(m_itemControllerHash.value(item));
                 controller.updatePosition();
             }
+        } else if (item && itemIsResizable(item->qmlItemNode())) {
+            ResizeController controller(m_layerItem, item);
+            m_itemControllerHash.insert(item, controller);
         }
     }
 }