(cherry picked from commit 2faa80dacfa726f1ece6720934e5b5f81ca4b754)

* Use correct key names

* Rewrite FTPManager

* Fix Reset Session at end of download

* Fixes for metadata download

New VehicleLinkManager implementation

Add esc_status to vehicle fact group

Clean up references to MainRootWindow globals

Full BATTERY_STATUS support

Move UAVCAN config to Vehicle

Move calibration methods to Vehicle

- add NOTIFY for distanceSensor property
- add DistanceSensorReadingsChange() callback prototype

- revert excessive NOTIFY
- adding MaxSensor into DistanceSensor frame handling

- add proximity radar view in map view
- add proximity radar view in video view

change distance label positioning in video view

clean up unwanted comments

- space up proximity sectors
- revert unwanted changes in qgroundcontrol.qrc

squashed commits

Unified photo/video control which works with mavlink cameras and just video stream

Move Vibration to Analyze

Press and Hold on Arm will change it to Force Arm

Ready To Fly support based on MAV_SYS_STATUS_PREARM_CHECK

Fix C++ 20 compiler warning

Replace qFuzzyCompare with better functioning QGC::fuzzyCompare

Remove buggy usage of vehicleYawsToNextWaypointInMission

Prefer ALTITUDE message over GPS messages

Support for Vehicle and Firmware classes

Remove support for RC_CHANNEL_RAW. Was causing problems with incorrect channel counts.

Support parameter meta data coming from COMPONENT_INFORMATION as well as old system

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

Component Information FTP download support

More work on vehicle connect state machine(s)

New initial connect state machine which supports COMPONENT_INFORMATION

Initial support for global plan-wide altitude mode setting

Remove mutex from Vehicle::sendMessageOnLinkThreadSafe.

LinkInterface and Vehicle uses mutexes to synchronize writing bytes to the link instead of queued signals

Fix offline vehicle firmware/vehicle type settings

Rework handling of fw/vehicle type with respect to conflicts with actual vehicle types.

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

Re-architect toolbar for better customization capabilities. Also use less real estate.

Major rework to support terrain profile display and terrain collision reporting