[BUGFIX] Support unicode characters for redirects

Add rawurldecode for the given path. Now it is possible
to set unicode characters and umlauts in the source path.

Resolves: #89075
Releases: master, 9.5
Change-Id: Id365f4dba5c709598f4156dc27b064d862f4b92a
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62152


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Jörg Bösche <typo3@joergboesche.de>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Jörg Bösche <typo3@joergboesche.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>