[BUGFIX] Configuration icon is misplaced in TYPO3 7

Change-Id: Ia44c71af8cf9ce4944ba8e52141b5c77d20ed68f
Fixes: #63386
Reviewed-on: http://review.typo3.org/34722
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Xavier Perseguers <xavier@typo3.org>