[TASK] Replace prophecy in EXT:extensionmanager ListUtilityTest

Resolves: #98973
Releases: main
Change-Id: I7f43992bbdc89905b1dcd8216a051ee0cbec60fe
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76802


Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>