[BUGFIX] Always remove deletedDropZone in PageTree after dragEnd

If the dropzone was not visible, remove it without animation.

Resolves: #94892
Releases: master
Change-Id: Icfb0090b9383321cd1d24c0aba7026affdbb58d9
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70594


Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Benni Mack <benni@typo3.org>