[BUGFIX] Fix foreign_table for l10n_parent in sys_file_metadata

Instead of sys_file_metadata sys_file_reference was configured.

Resolves: #57046
Releases: 6.2
Change-Id: I1194012cbacb0415993672338d6ac6ee0a515dc1
Reviewed-on: https://review.typo3.org/28501
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Markus Klein
Tested-by: Markus Klein