[BUGFIX] Use single instance of DocumentTypeExclusionRestriction

With this change, the DocumentTypeExclusionRestrictionTest will use
NOT IN instead of <>. This will allow to have only one instance of that
restriction.

Additionally multiple casts to integer have been removed.

Resolves: #87938
Releases: master, 9.5
Change-Id: I3c1c5cc47800dae3f13afc654f55236634ad5bc5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/60275


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Dennis Prinse <dennis@dennisprinse.com>
Tested-by: Richard Haeser <richard@maxserv.com>
Reviewed-by: Dennis Prinse <dennis@dennisprinse.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Claus Due <claus@phpmind.net>
Reviewed-by: Richard Haeser <richard@maxserv.com>