[BUGFIX] Change to "move elements" when using cut in file list dot-menu

Make sure the clipboard action gets changed to move if the user chooses cut in the dot menu.
Only the dot-menu in the list view was affected.

Also removes an unused variable.

Resolves: #102144
Releases: main, 12.4
Change-Id: Ic5bee9415292d75c531a82a052c0032fb148024d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81412


Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>