[BUGFIX] EXT:form - Fix CHECKBOXGROUP and RADIOGROUP in form wizard

Fixes a JS error, which appeared when adding a CHECKBOXGROUP or
RADIOGROUP within the form wizard.

Furthermore it applies "text" instead of "data" which was already
changed for TEXTAREA and OPTION elements (as discussed in #69369).


Resolves: #72316
Releases: master, 7.6
Change-Id: I758ad36530ea29ca5469e510367fdedde34c5bd6
Reviewed-on: https://review.typo3.org/45410


Reviewed-by: Bjoern Jacob <bjoern.jacob@tritum.de>
Tested-by: Bjoern Jacob <bjoern.jacob@tritum.de>
Tested-by: Gianluigi Martino <gmartino27@gmail.com>
Tested-by: Florian Mast <flo.mast@web.de>
Reviewed-by: Florian Mast <flo.mast@web.de>
Reviewed-by: Eugen Lang <laeu1011+gerrit@gmail.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>