Estimate Remaining Time (graphical display) (#15497)

Marlin/Configuration_adv.h

Marlin/src/gcode/lcd/M73.cpp

Marlin/src/inc/Conditionals_LCD.h

Marlin/src/inc/SanityCheck.h

Marlin/src/lcd/HD44780/ultralcd_HD44780.cpp

Marlin/src/lcd/dogm/status_screen_DOGM.cpp

Marlin/src/lcd/dogm/status_screen_lite_ST7920.cpp

Marlin/src/lcd/extensible_ui/ui_api.cpp

Marlin/src/lcd/menu/menu.h

Marlin/src/lcd/ultralcd.cpp

Marlin/src/lcd/ultralcd.h

Marlin/src/libs/numtostr.cpp

Marlin/src/libs/numtostr.h

Marlin/src/sd/cardreader.h

buildroot/share/tests/megaatmega2560-tests

config/default/Configuration_adv.h

config/examples/3DFabXYZ/Migbot/Configuration_adv.h

config/examples/ADIMLab/Gantry v1/Configuration_adv.h

config/examples/ADIMLab/Gantry v2/Configuration_adv.h

config/examples/AlephObjects/TAZ4/Configuration_adv.h