[BUGFIX] Migrate select items in NewMultiplePagesController

Resolves: #100489
Related: #99739
Releases: main
Change-Id: I83b9632156d8f061ab3f0b710eb3639c95fb03b3
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78527


Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>