Clients: Clean shutdown after "-- --help"
From #46660 : "other clients do not even attempt such controlled exit, but just exit() directly from parameter parsing after handling --help. We probably should make them to do the right thing too." - that's the "other clients" than Qt.
From #46660 : "other clients do not even attempt such controlled exit, but just exit() directly from parameter parsing after handling --help. We probably should make them to do the right thing too." - that's the "other clients" than Qt.