[BUGFIX] Move icon from System Information Dropdown, remove empty cell

Resolves: #104071
Releases: main, 12.4
Change-Id: I9e0958168cf9812e20fbd3d3be2ce8dab80a8bcb
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84641


Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benni Mack <benni@typo3.org>