[BUGFIX] Handle missing t3ver_state value in workspace ElementEntityProcessor

A record may not have a t3ver_state, hence
accessing this value must be safeguarded.

Resolves: #102251
Releases: 12.4, 11.5
Change-Id: Ia2050171276891e08d2e84e750cfa894a7f3291f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81555


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>