[BUGFIX] Fix SQL error for sys_file

Regression for SQL error introduced with #51562.

Resolves: #51929
Releases: 6.2, 6.1
Change-Id: Ib9756234fed6284c5c7547284dff9f3308360c35
Reviewed-on: https://review.typo3.org/23767
Reviewed-by: Stefan Neufeind
Tested-by: Stefan Neufeind