[BUGFIX] Fix scheduler log messages

The original message got immediately overridden with the template
representation. This is now fixed by using a different variable name.

Resolves: #95084
Related: #94315
Releases: master
Change-Id: I478ed832ca8944b3829a11640033882c3f50c546
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70869


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