[TASK] Streamline setup command

Additional warning about password set via cli has been
added. Also the logic was changed to always prompt
for password (db password and admin user password) if
not set via variable/option.

Resolves: #99836
Releases: main
Change-Id: Ic47e100ecb328ac62b58296bc00feff9a84213aa
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77707


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>