[BUGFIX] Help texts in Backend User Settings do not appear

Clicking on label in user settings display help text again

Change-Id: I2e5c90e5b1c180a18bbc8d7264b6ac43a866c24b
Resolves: #74333
Releases: master
Reviewed-on: https://review.typo3.org/47460


Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>