[FEATURE] Restyle and reorder lowlevel>Configuration

Restructure search form. Implement Styles.css and remove
inline CSS. Remove cropping of lines. Equalize array tree.

Resolves: #62762
Releases: master
Change-Id: I561d2bd10f2a23944fdeab0e5ba6e0fb548a5b04
Reviewed-on: http://review.typo3.org/33873
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>