If a language in the SiteConfig is set to the fallbackType
free and there is no translated page for this language, then
there is now no generated hreflang.

Previously, a link was always generated with default language
slug, which lead to 404 page not found.

Resolves: #94270
Releases: main, 11.5, 10.4
Change-Id: Ifb261cf388fccbaabbf2bcae9ac805b143c9b42f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69919


Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Benni Mack <benni@typo3.org>