[BUGFIX] Correct HTML nesting in RadioElement

FormEngine RadioElements misses a closing div.

Resolves: #86095
Releases: master
Change-Id: If7041a4579f811fdd3c234815052762048103f89
Reviewed-on: https://review.typo3.org/58136


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Frans Saris <franssaris@gmail.com>
Tested-by: Frans Saris <franssaris@gmail.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>