[BUGFIX] Do not translate move pointers in workspace

When a moved content element in a workspace got copied
(or the whole page that the content element is put),
then the content element is added twice to the target
page.

This patch skips moved placeholders completely.

Resolves: #92388
Releases: master, 10.4
Change-Id: I8c1b4631627eef80b1740c77b63e541d36ab5f53
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65838


Tested-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>