[BUGFIX] Revert FolderCheck for clipboard actions

Due to a faulty query in #85425 it was no longer possible
to copy files at the clipboard multi-selection-mode.

This must be possible if the user has the permission to copy files,
but not to copy folders.

Resolves: #89669
Releases: master, 9.5
Change-Id: I1c26696a6c3886dd5669957cdce8ca472b17b577
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62321


Tested-by: Peter Kraume <peter.kraume@gmx.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Henrik Elsner <helsner@dfau.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Peter Kraume <peter.kraume@gmx.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Henrik Elsner <helsner@dfau.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>