Destroyed signal must have been working incorrectly in the past.

Make sure to no de-reference already deleted object

This removes double emit of signals.

also adds AMSL output in ft

This allows us to run with QT_FAIL_WARNINGS to find bugs. Also temp
comment out of failed signal connection.

this adds an option to select the mode of the joystick in the joystick
config widget. The mode sets the setpoint type which is sent when moving
the joystick.