[BUGFIX] Avoid layout shifts when moving content elements

To avoid layout shifts when dragging elements in the page
layout module, we are now creating a clone that consumes
the original space when dragging the element.

Resolves: #99903
Releases: main
Change-Id: If09463e3b79c9377351a02f0af9ea29c9ad512a5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77804


Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Jasmina Ließmann <minapokhalo+typo3@gmail.com>