[BUGFIX] Return success when zero wizards run in upgrade:run

Having to run zero wizards (e.g. fully upgraded)
is obviously not an error.

Releases: master
Resolves: #86543
Change-Id: Ide967005581e7c5fa956f5ffdb2c482a4a2f2048
Reviewed-on: https://review.typo3.org/58558


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Tomas Norre Mikkelsen <tomasnorre@gmail.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Tested-by: Mathias Brodala <mbrodala@pagemachine.de>