Issue #2245767 by John Pitcairn, andrewmacpherson, danflanagan8, leymannx,...

Issue #2245767 by John Pitcairn, andrewmacpherson, danflanagan8, leymannx, tim.plunkett, mpolishchuck, tobiasb, olli, dawehner, Anas_maw, SpadXIII, _utsavsharma, benjifisher, ankithashetty, jidrone, SimeonKesmev, Daniel Korte, ameymudras, jyotimishra-developer, alexpott, smustgrave, geek-merlin, catch, DuaelFr, Gábor Hojtsy, lauriii, ckrina, quietone: Allow blocks to be configured to show/hide on 200/403/404 response pages