[server] Exit quickly when a looping task is registered in maintenance mode
In such cases the repository will not have a scheduler on purpose because the
repository will not be kept running and will quickly shutdown after migration
so that it's undesirable to have looping tasks being executed.
Essayer le champ de recherche. Essayer des recherches comme "fiche
unmotachercher", ou encore "fiche wikiid index" ou "345".