[BUGFIX] Limit FileTableSplittingUpdate to TYPO3 6.0/6.1

If the database field does not exist it may be that we have an
installation before 6.0 or after 6.1 so we do not need to migrate
the data to sys_file_metadata. This prevents empty metadata
information which may lead to other issues.
(width/height=0 for images)

Resolves: #57492
Related: #46020
Releases: 6.2
Change-Id: Id5826ea480d4139f2e232587fc2b119928b28bc8
Reviewed-on: https://review.typo3.org/29024
Reviewed-by: Markus Klein
Tested-by: Markus Klein
Reviewed-by: Wouter Wolters
Reviewed-by: Nicole Cordes
Reviewed-by: Anja Leichsenring
Reviewed-by: Jan Runte
Reviewed-by: Marc Bastian Heinrichs
Tested-by: Marc Bastian Heinrichs