Preserve event ch for other responders

src/m_menu.c

@@ -2171,6 +2171,8 @@ boolean M_Responder(event_t *ev)
 			}
 		}
 	}
+	else if (ev->type == ev_keydown) // Preserve event for other responders
+		ch = ev->data1;
 
 	if (ch == -1)
 		return false;