[BFW-6394] [FEATURE REQUEST] User configurable filament change location

[Sembazuru]

Printer model

MK4S

Describe the feature

Currently running 6.2.0alpha2
I was surprised after installing 6.2.0a2 that the default parking location during the M600 color change moved from right-side x=max (from the user's perspective) to left-side x=minimum. Because my MK4S is in the Prusa enclosure and situated that I normally sit just to the left of the printer (there is a support column off the front-right of the enclosure where I have my printer in my basement). The old front-right filament change is a straight line from where I sit with the enclosure doors open (thank you for the 180° door swing) making it easy to reach the extruded filament during the filament change process. With the new front-left I kind of have to reach around where the door hinges are to manage the extruded filament during the filament change process. I know that I should be able to change this filament change parking position in gcode using arguments to M600, that won't work for times when I either fire off a filament change from the printer's menu, or the M600 get triggered with a detected nozzle clog.

I'd like a configurable default location for the nozzle change in the settings menu.

Expected functionality

I haven't decided which would be better:

1. A simple drop-down with "Left (x min), Center, Right (x max)".
2. A more granular setting where you can set the x value, y value, and z-offset value.
3. An even more granular setting where all the arguments for M600 are available to set a default.

I might prefer that second option because when doing color swaps low down (in the first few layers) on a model I'd like a little more height between the extruder and the bed, and I haven't been bothered to add the M600 arguments to my gcode in PrusaSlicer...

[Sembazuru]

I think this feature should apply to all printers, but might need separate issues for the non buddy firmware based printers (like the MK2 and MK3).

[CZDanol]

Internal ticket: BFW-6394