[BUGFIX] Escaped content in RecordHistory InfoBox

This patch fixes the InfoBox in RecordHistory, which displayed
escaped HTML instead of colored spans.

Resolves: #75790
Releases: master
Change-Id: I3d69bb33b0a2cccd0e2f3b26b1f701168df5b2fb
Reviewed-on: https://review.typo3.org/47792


Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>