Prevent view switching apis support a stack

View switch prevention support

Change to use combo

ADSB server support provided through new ADSBVehicleManager implemenation

Check for pending param writes on app close

Restructure toolbar to make it Flickable

Use showIndicator property to set correct visibility in loader. This leads to correct spacing on all platforms.

Change to combobox

Fix spacing

Use QGCCombBox with alternateText for better understanding of the ability to click on these indicators

Fix textRole usage for QGCComboBox

Save/load main window state

Move Log Replay bar to Window footer

No need for all the null checks with correct qml shutdown

Configurable Go To Location max distance

- NorthUp becomes NoseUp and is disable by default
- Changes on SVG to make them with the same diameter as the CompassDiag
- Change the order of the indicator layouts

- Remove HomeHeading / COG / HeadingToNext
- Add setting AdditionalIndicatorsCompass that group the previous
  settings

- Add setting for Heading to Next WP and Nort Up lock
- Add check for vehicle for every indicator to avoid showig them while
  no vehicle