[BUGFIX] Fix overloading variable name in TemplateService

The variable $row is used and must not be used for fetching records.

Resolves: #77711
Releases: master
Change-Id: Ib74df17f432c7cb68549158ed4bc611b2a3de8a0
Reviewed-on: https://review.typo3.org/49691


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>