For much better performance

This forces a commit on any uncommitted TextFields

Create a "Dead Mouse Area" control to eat mouse events underneath desired area. This is to prevent mouse events from leaking through controls underneath the area.
Replace original "NoMouseThroughRectangle" as this is more versatile.
Prevent mouse through events from leaking underneath the Fly View tool strip.

Adding missing qgcView to QGCMapPolygonVisuals instance in SurveyMapVisual.qml

Don't close mobile dialog on file delete

- popup don't work with map
- improve popup visible logic

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

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

Replacement code to speed up work on the map and fighting mistake 'manual control lost' when connected joystick with armed UAV

Moved "Grid Lines" out of General Options and into the Video Stream Widget
Made a QGC custom Switch element

Converted Structure Scan to use CameraCalc such that it now works with
camera specs.

mobile needs more testing before we can enable this.
A test on an android phone was successful however.