[BUGFIX] Reset variables in SiteListCommand

Reset the variables holding information about locale and status to avoid
showing wrong output.

Resolves: #90334
Releases: master, 9.5
Change-Id: I20cb5847382be28b0aaaf0a8c8afec626cd99c9d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63180


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>