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

Fix Mocklink UI

- Reimplement same behaviour as version 3.1 while resizing the window :
    Stretch the text area to fit the screen
- Change setting text from Alternate Instrument Panel to Vertical Instrument Panel

By default the Instrument Panel is the one from master,
It can be switched to alternate version by a checkbox in General Settings/Fly View

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