[!!!][TASK] Remove deprecated BackendUtility::viewOnClick

Removes deprecated BackendUtility::viewOnClick, which should have
been replaced with \TYPO3\CMS\Backend\Routing\PreviewUriBuilder.

Resolves: #96141
Releases: main
Change-Id: Iae391d10cba9880c23bf124e0905993fd315c405
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72376


Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Benni Mack <benni@typo3.org>