[BUGFIX] Try to translate given help text of select items

Use the LanguageService for help texts of select items.
This can be tested with the element 'select_checkbox_3' of the
styleguide extension.

Resolves: #78984
Releases: master, 8.7
Change-Id: Idb6e63547ac480b18fcb1ca997d5d07e4bcb4e81
Reviewed-on: https://review.typo3.org/56689


Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Tested-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>