include a retract E-jerk value within the jerk menu

[iceman2511]

Is your feature request related to a problem? Please describe.

when using LA, it is required to have the E-jerk a high value of around 15-25 to get acceptable acceleration speeds out of a bowden printer, but that also causes the extruder to be very audible when retracting for me at least, and reducing the e-jerk reduces or gets rid of the sound when retracting, so a seperate setting for retraction e jerk would benefit here.

Are you looking for hardware support?

i am using a BTT SKR E3 mini V2.0, but i would like to see this in the whole BTT suite as im sure some other people would benefit from this

Describe the feature you want

just like i mentioned above, this setting would be in the jerk section, and adjusting this E-jerk value would adjust the amount the retraction jerks,, and only the retraction.

Additional context

i am using the BMG extruder, and while some people report little noise from high e-jerk settings, some say they have the same issue as me with a very audible noise coming from it.