adsbplane: shrink from 59 to 40 pix
enum: add enumtolist option
Survey (Grid) Change WPNAV_SPEED back to default after mission.

If [Use speed for Mission] is checked.
And WPNAV_SPEED is available, Survey will add a DO_SET_SPEED equal to WPNAV_SPEED at the end of the mission.
FlightPlanner - Click off menu to close. #583

When "right click" menu is open, a left click on the map will close it without creating a point.
FlightPlanner -- Render first and last flight line to home as "dashed".

Issue: #584