Issue #2720109 by Spokje, kndr, sharma.amitt16, maacl, felribeiro, Neslee Canil Pinto, yogeshmpawar, quietone, joey-santiago, zeuty, Brian-C, ranjith_kumar_k_u, seppelM, jenny.cha, kiwimind, NikLP: maintenance-page--offline.html.twig is not picked up when system is offline