[BUGFIX] Add missing whitespace in deprecation log entry

Resolves: #91224
Releases: master
Change-Id: I47d30a21965c3d2246a53c51a68856642cca647a
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64339


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