[FOLLOWUP][TASK] Doctrine: Migrate TranslationStatusController

Only return the first row of the result set from getLangStatus()

Change-Id: Idc2afd7929e6ed3bf5608480d6832c9e2b93f881
Resolves: #76485
Releases: master
Reviewed-on: https://review.typo3.org/48543


Tested-by: Riccardo De Contardi <erredeco@gmail.com>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>