Correctly handle command changes from no-coordinate item to coordinate item

Default ROI altitude to 0

Add internal error case

Support for new AltitudeFactTextField

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

setCoordinate was screwing up altitude/param7 syncronization

Fix Change Command parameter default setting

Update unit tests to catch this

Fixed found bugs

Fixed all the bugs the new tests found