- Avoid white flash on TFT (re)init. Unlike Graphical LCD, the TFT init color may be full white if the backlight is on during init.

- Add a conditional for delayed backlight init which can be applied to any backlit display.

Co-Authored-By: Tim Moore <tim.moore@lightbend.com>
Co-Authored-By: AnHardt <github@kitelab.de>

A simple Z probe using a magnet to deploy a probe. See https://youtu.be/E7Ik9PbKPl0 for the sensor description...

…And save backlash, fil. sensor, ExtUI userdata to EEPROM.

Allow `ENABLED`, `DISABLED`, `PIN_EXISTS`, and `BUTTON_EXISTS` to take multiple arguments. Also add:
- Alias `ANY(...)` for `!DISABLED(...)`
- Alias `ANY_PIN(...)` for `PIN_EXISTS(a) || PIN_EXISTS(b) ...`
- Alias `EITHER(A,B)` for `ANY(...)`
- Alias `ALL(...)` and `BOTH(A,B)` for `ENABLED(...)`
- `NONE(...)` for `DISABLED(...)`

* Multi-nozzle selective duplication
* Use a bit-mask, reduce stepper_indirection.h size
* Tweak the multi-nozzle duplication description
* Use 'S' as a bool in M605
* Add HAS_DUPLICATION_MODE conditional
* Remove '_MODE' from the option name
* M605 in the style of Stacker M280
* Also include direct mask style (P)