[BUGFIX] Use live record uid for preview in workspace

When editing a record in a workspace in the Backend,
the "preview" button needs to use the live record uid
and not the uid of the workspace version.

Change-Id: I690c11e50b6275290175397cc9f28e1532b1d61d
Releases: master, 9.5
Resolves: #81271
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/55070


Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>