[BUGFIX] Fix CSV fixtures in core

All CSV fixtures are now a proper CSV file with a proper column count.
This makes editing them with a picky CSV editor possible again.

Resolves: #83941
Releases: master
Change-Id: Ic5f59c49fd3fa6ad98036f5392e36d450633d501
Reviewed-on: https://review.typo3.org/55765


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>