This reverts commit bf31c808.

Takes less real estate and flows better and small displays

Even though it’s wrong!

Direct connect to PX4 Flow shows up as generic

Verify is still failing though

Windows OS doesn’t disconnect port when you pull plug on USB. This
caused all sorts of problems with previous logic. New logic handles
this correctly.

- Pervasive change to automatically connect to known board types
- Lots of additional changes along with this:
- More exposure of objects/properties to Qml
- Much restructuring in LinkManager and LinkManager clients

Joystick: Fix calibration and default use: Do not send anything to vehicle until enabled. Enable after calibration by default.