Add some Arduplane flight modes and VTOL support

[Luc-Meunier]

No description provided.

[JonasVautherin]

CI fails with:

/work/src/mavsdk/plugins/events/events_impl.cpp: In member function ‘std::string mavsdk::EventsImpl::mode_name_from_custom_mode(uint32_t) const’:
/work/src/mavsdk/plugins/events/events_impl.cpp:356:12: error: enumeration value ‘FBWB’ not handled in switch [-Werror=switch]
  356 |     switch (to_flight_mode_from_custom_mode(
      |            ^
cc1plus: all warnings being treated as errors

Is this enough to add support for those flight modes? I think it's great that you're contributing more support for ArduPlane, thanks for that!

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud