Plane: Quadplane: allow takeoff mode fixed wing takeoff without triggering Q assist

[P-I-Engineer]

Bug report

Issue details

Goal: autolaunch a vtol plane in fw configuration.

issue: "takeoff" flight mode sets motor output to 100% when the flight mode is activated.

workflow: arm plane set flight mode to "takeoff" error: motors go straight to 100%.

settings: Q_options "fw takeoff" enabled.

further testing: the old method of making a takeoff waypoint in mission planner leads to expected results. -arm plane -set mode to auto -trigger with accel event -motors spool up.

Version 4.3.7

Platform [ ] All [ ] AntennaTracker [ ] Copter [X ] Plane [ ] Rover [ ] Submarine

Airframe type

heewting t1, tilt motor vtol

Hardware type matek f405 wse

Logs 2023-06-21 21-12-14.zip

[P-I-Engineer]

did more testing last night. throttle slew is ignored on first attempt with a shake to wake. additional mode changes results in motors jumping to takeoff throttle without accel inputs.