[TASK] Follow up: File and folder permission check on Windows

Install tool shows errors for file and folder permissions on Windows
system. As those are writable by default the errors should be turned
into information.

Resolves: #57118
Releases: 6.2
Change-Id: Idc9f1126916e161bcde1e48c91ada2f9846a9ef9
Reviewed-on: https://review.typo3.org/28579
Reviewed-by: Wouter Wolters
Reviewed-by: Xavier Perseguers
Reviewed-by: Stefan Neufeind
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn