ECMS-5537: Manage publication doesn't work correctly during editing content

Fix description:
  - Hide publication, Publish, Request Approve button when a node is editing
ECMS-5770: Can not rename file in Documents/Public

Problem analysis:
  - renaming a node inside parent which is a symlink causes PathNotFoundException

Fix description:
  - Using NodeFinder.getItem to find renamed node by specific path instead of current Session.getItem()