ECMS-5555: CLONE - Cannot access Trash drive after deleting a folder whi...

- Analysis:
 When a node moved to Trash with its symlink, after that we decided to remove that node out of trash. However, the
 symlink still remain in trash and that's the dead link and it raised some problem when system trying to find its target.
- Solution:
  Try to detect the symlinks of the removing nodes in trash and remove them together.