[TASK] Lift type restriction in CommandApplication

Instead of requiring strictly the TYPO3 implementation of a console Application,
the property is allowed to hold an instance of the base application class.

Releases: main
Resolves: #100160
Change-Id: I40934ac7a5534f211021b0ab331ca9903a307243
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78116


Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Helmut Hummel <typo3@helhum.io>
Tested-by: Helmut Hummel <typo3@helhum.io>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>