[BUGFIX] Table wizard: large fields and BR-tags

Large fields output newline as br-tag in frontend

Resolves: #72388
Releases: master, 7.6
Change-Id: I8c225548249fc013452641c0316091701fcdca6a
Reviewed-on: https://review.typo3.org/45661


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>