[BUGFIX] Do not generate links to unreachable pages

Fix the condition whether a page is linkable in the requested
language or not.

Resolves: #90850
Releases: master, 9.5, 8.7
Change-Id: I720c09cc1f938b5000980bcba20786a5cf41f98d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63946


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Josef Glatz <josefglatz@gmail.com>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>