* MockLink is always MISSION_ITEM_INT to catch bugs in unit tests

* Fix typo

CircularSurvey removed from Pattern Menu -> can't be used as a ComplexItem like Survey or StructureScan etc.

New VehicleLinkManager implementation

Rework to prevent crashes from nullptr returns from getUIInfo/getParamInfo

Fix min/max AMSL alt calc

Landing Pattern: Loiter to alt optional support

Fix incorrect usage of _managerVehicle

QGCFileDialog remove separate mobile fileExtension properties

For VTOL and FW set default landing heading to takeoff heading when TakeoffMissionItem is added in PlanView

Camera brand/model support. Use canonical camera names in Plan files.

VTOL Takeof/Landing Pattern work

Shorten meta data keys for smaller file sizes

Replace qFuzzyCompare with better functioning QGC::fuzzyCompare

supportedMissionCommands is vehicle class sensitive

Remove buggy usage of vehicleYawsToNextWaypointInMission

More comprehensive testing of editor facts

Show correct item editor based on current VTOL state

Fix recalc bugs associated with vtol state, speed, vehicle/gimbal yaw

Better handling of vehicle change state transitions

Fact label change

New standalone mission editor unit test

Cleanup/fix command json hierarchy

Support for Vehicle and Firmware classes