[SECURITY] fileDenyPattern ignored in file-list module

Change-Id: Icf4b3452c3b039f12335e184161083cbcbd3acec
Fixes: #47452
Releases: 6.0, 6.1, 6.2
Security-Commit: 15cd3daec85c16cf0e810c41f5005810876fc99b
Security-Bulletin: TYPO3-CORE-SA-2013-002
Reviewed-on: https://review.typo3.org/22712
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader