[BUGFIX] Apply proper typecast

All database result values must be proper typecasted
as database drivers may use and return different data types.

Resolves: #89531
Related: #56351
Releases: master, 9.5
Change-Id: I2e48bd548b178aa1e684db0ff908259cdfec377f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62153


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Patrick Broens <patrick@patrickbroens.nl>
Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Patrick Broens <patrick@patrickbroens.nl>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>