Cancel Objects - As seen at ERRF2019 (#15590)

Marlin/src/lcd/menu/menu_advanced.cpp

@@ -50,6 +50,7 @@
 
 void menu_tmc();
 void menu_backlash();
+void menu_cancelobject();
 
 #if ENABLED(DAC_STEPPER_CURRENT)
 
@@ -652,6 +653,10 @@ void menu_advanced_settings() {
     SUBMENU(MSG_BACKLASH, menu_backlash);
   #endif
 
+  #if ENABLED(CANCEL_OBJECTS)
+    SUBMENU(MSG_CANCELOBJECTS, [](){ editable.int8 = -1; goto_screen(menu_cancelobject); });
+  #endif
+
   #if ENABLED(DAC_STEPPER_CURRENT)
     SUBMENU(MSG_DRIVE_STRENGTH, menu_dac);
   #endif