[TASK] Use dark sorting icon in filelist module

Use the dark icons, just as in the list module.

Resolves: #86345
Releases: master
Change-Id: Ife258d11a1384076f1333e2c97a1c0a41599202f
Reviewed-on: https://review.typo3.org/58363
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Gianluigi Martino <gmartino27@gmail.com>
Tested-by: Gianluigi Martino <gmartino27@gmail.com>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Tested-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>

typo3/sysext/filelist/Classes/FileList.php

@@ -1216,7 +1216,7 @@ public function linkWrapSort($code, $folderIdentifier, $col)
         if ($this->sort === $col) {
             // Check reverse sorting
             $params['SET']['reverse'] = ($this->sortRev ? '0' : '1');
-            $sortArrow = $this->iconFactory->getIcon('status-status-sorting-light-' . ($this->sortRev ? 'desc' : 'asc'), Icon::SIZE_SMALL)->render();
+            $sortArrow = $this->iconFactory->getIcon('status-status-sorting-' . ($this->sortRev ? 'desc' : 'asc'), Icon::SIZE_SMALL)->render();
         } else {
             $params['SET']['reverse'] = 0;
             $sortArrow = '';