add option to run bbl printers in silent mode to get the correct time estimation

Is there an existing issue for this feature request?

• I have searched the existing issues

Is your feature request related to a problem?

Slicing a model where parts need to be added during the print the time estimation feature added some time ago (https://github.com/OrcaSlicer/OrcaSlicer/pull/2728) is very helpful.

But if the print mode is changed from Standard to Silent by using a custom start g-code link:

;======== set silent speed ========
M204.2 K0.3
M220 K0.7
M73.2 R2.0
M1002 set_gcode_claim_speed_level 4
;======== set silent speed end ========

this feature gets useless as the time estimation doesn't match anymore (it's not as easy as just multiplying the time by 2).

Which printers will be beneficial to this feature?

Others

Describe the solution you'd like

It would be very helpful if the time estimation algorithm would take the actual speed into account, either by checking the custom Machine start G-code for the lines responsible for the speed mode:

;======== set silent speed ========
M204.2 K0.3
M220 K0.7
M73.2 R2.0
M1002 set_gcode_claim_speed_level 4
;======== set silent speed end ========

source

or by adding a dedicated switch to change speed modes.

Also it would make the workflow even smoother if the estimated local time would be displayed as initially requested in point 3 of https://github.com/OrcaSlicer/OrcaSlicer/issues/2191.

Describe alternatives you've considered

Checking the print every now and than to not miss the point in time when the printer pauses.

Additional context

1. I'm bound to use removable media like USB thumb drives or micro SD cards.
2. The calculations need to be done by the time the part gets sliced.