Co-authored-by: huangjian <huangjian@cuav.net>

New VehicleLinkManager implementation

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

function "QLineF::IntersectionType QLineF::intersects(const QLineF &line, QPointF *intersectionPoint) const" was introduced in Qt 5.14, and QLineF::intersect is obsolete.

see also:
https://doc.qt.io/qt-5.14/qlinef-obsolete.html
https://doc.qt.io/qt-5.14/qlinef.html#intersects

Co-authored-by: Anton Erasmus <antonerasm@gmail.com>

We have `QMAKE_POST_LINK += echo "Post Link Common"` in line 12 already.

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

Rework to prevent crashes from nullptr returns from getUIInfo/getParamInfo

Landing Pattern: Loiter to alt optional support

TransectStyleComplexItem-Terrain: Fix min/max AMSL alt calc

Fix min/max AMSL alt calc

Landing Pattern: Loiter to alt optional support

New Crowdin updates

Co-authored-by: Don Gagne <dongagne@outlook.com>

QtLocationPlugin: Add Japan GSI Map

activeVehicle - >_activeVehicle
caused the virtual joystick to malfunction

* New translations qgc-json.ts (Korean)

* New translations qgc-json.ts (Turkish)

* New translations qgc.ts (French)

* New translations qgc.ts (Chinese Simplified)