[TASK] Install Tool: Allow multiple permission status per file

Sometimes a file has incorrect content and incorrect permissions.
Now both warnings are shown at the same time.

Resolves: #52405
Releases: 6.2
Change-Id: I8c36db5f42456ef9491dc1329dc7e0b22b815395
Reviewed-on: https://review.typo3.org/24179
Reviewed-by: Wouter Wolters
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring