[BUGFIX] Add missing moduleToken links in the backend module

This patch calls BackendUtility::getModuleUrl to get proper link to the
module.

Resolves: #58210
Change-Id: I75a9eec86e30a7b41c7b1dc32f273c56b468ef18
Reviewed-on: https://review.typo3.org/30969
Reviewed-by: Oliver Klee
Tested-by: Oliver Klee