Plane pre-takeoff servo dampening

[magicrub]

Before an auto-takeoff sometimes it's desirable to dampen or mute the servo output. In other cases we definitely want to see the servo movement. There should be an option for pre-auto-takeoff servo outputs to be:

• enabled
• damped or slewed by /2
• damped or slewed by /10 (or whatever)
• disabled

[EShamaev]

Maybe these option be active during disarm state?

[magicrub]

Sure