When sorting elements in an IRRE container, the sorting took
grandchildren into account as well, which broke the sorting in the
database.

With this patch, a new data attribute is added to be able to identify
direct ancestors and limit sorting to these records only.

Resolves: #92804
Releases: master, 10.4
Change-Id: I09876c3a8be45b060c133d758807e4df25fee0d2
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/66933


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Richard Haeser <richard@richardhaeser.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Richard Haeser <richard@richardhaeser.com>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>