[BUGFIX] Provide Foldername in InaccessibleException

The central InsufficientFolderReadPermissionsException now
displays the name of the folder in question to ease tracing down
errors.

Resolves: #82342
Releases: master
Change-Id: I968c74e6b2e210b07964f7ebb141155525c26ee5
Reviewed-on: https://review.typo3.org/55541


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Michael Oehlhof <typo3@oehlhof.de>
Tested-by: Michael Oehlhof <typo3@oehlhof.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>