[TASK] Cleanup FAL exception messages

Some exception messages fail to include available data that can help the
integrator or developer to track down the error quickly.
Fix spelling mistakes.

Resolves: #64613
Releases: master
Change-Id: I3ac1f066020ffe36a3597734ae7dd583b439524d
Reviewed-on: http://review.typo3.org/36378


Reviewed-by: Roman Schürmann <roman.schuermann@wmdb.de>
Tested-by: Roman Schürmann <roman.schuermann@wmdb.de>
Reviewed-by: Michael Oehlhof <typo3@oehlhof.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>