[BUGFIX] Typo3Status Report checks for Compatibility6

Check for EXT:Compatibility7 instead of EXT:Compatibility6
in the Typo3Status Report.

Resolves: #80348
Releases: master
Change-Id: Iec4b7faa5eacd6007d0871278eeb23aa8e2b8448
Reviewed-on: https://review.typo3.org/52096


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Josef Glatz <josef.glatz@typo3.org>
Tested-by: Josef Glatz <josef.glatz@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>