use enabled_locales logic to handle locales (#5017)

* allow to skip locales (here: catalan)
* use enabled_locales and replace app_locales with kimai_locales
* added test to call all reports once for super_admin

config/routes/dev/twig.yaml

@@ -1,7 +1,5 @@
 _errors:
     resource: '@FrameworkBundle/Resources/config/routing/errors.xml'
     prefix: /{_locale}/_error
-    requirements:
-        _locale: '%app_locales%'
     defaults:
         _locale: '%locale%'