[BUGFIX] Do not render unassigned label in info module

Since #94042, the Localization overview in the
info module is equipped with proper labels. These
labels should however not be rendered, in case the
corresponding menu does not exist, e.g. on pages
without available languages.

Resolves: #94099
Related: #94042
Releases: master
Change-Id: I1d3ab9db22e3d850aefc012b3daac1923661e936
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69096


Tested-by: core-ci <typo3@b13.com>
Tested-by: Richard Haeser <richard@richardhaeser.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Richard Haeser <richard@richardhaeser.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Oliver Bartsch <bo@cedev.de>