Issue #2919373 by tedbow, Wim Leers, Adita, webchick, Berdir, drpal, xjm,...

Issue #2919373 by tedbow, Wim Leers, Adita, webchick, Berdir, drpal, xjm, samuel.mortenson, bircher: Prevent Settings Tray functionality for blocks that have configuration overrides

(cherry picked from commit 4e66ea20)