Issue #3040556 by sakiland, taran2l, jhuhta, berdir, richgerdes, julien.sibi,...

Issue #3040556 by sakiland, taran2l, jhuhta, berdir, richgerdes, julien.sibi, ksenzee, aaronmchale, bojanz, nicxvan, hchonov, godotislate, joachim: It is not possible to react to an entity being duplicated