Issue #2796953 by Wim Leers, mondrake, effulgentsia, catch, mikeryan, ayalon,...

Issue #2796953 by Wim Leers, mondrake, effulgentsia, catch, mikeryan, ayalon, chx, Fabianx, tim.plunkett, jibran, xjm, slashrsm, phenaproxima, borisson_: [regression] Plugins extending from classes of uninstalled modules lead to fatal error

(cherry picked from commit 6a4cfa29)