Revive SCARA's home offset (unimplemented)

Marlin/src/gcode/calibrate/M665.cpp

Marlin/src/gcode/control/M211.cpp

Marlin/src/gcode/gcode.cpp

Marlin/src/gcode/geometry/G53-G59.cpp

Marlin/src/gcode/geometry/G92.cpp

Marlin/src/inc/Conditionals_post.h

Marlin/src/lcd/extensible_ui/ui_api.cpp

Marlin/src/lcd/menu/menu_motion.cpp

Marlin/src/module/configuration_store.cpp

Marlin/src/module/motion.cpp

Marlin/src/module/motion.h

Marlin/src/module/scara.cpp

Marlin/src/module/tool_change.cpp