Fix normal and adsb vehicle sizing

Fix

src/FlightDisplay/FlyViewMap.qml

@@ -265,6 +265,7 @@ FlightMap {
             heading:        object.heading
             alert:          object.alert
             map:            _root
+            size:           pipMode ? ScreenTools.defaultFontPixelHeight : ScreenTools.defaultFontPixelHeight * 2.5
             z:              QGroundControl.zOrderVehicles
         }
     }

src/FlightMap/MapItems/VehicleMapItem.qml

@@ -19,12 +19,14 @@ import QGroundControl.Controls      1.0
 
 /// Marker for displaying a vehicle location on the map
 MapQuickItem {
+    id: _root
+
     property var    vehicle                                                         /// Vehicle object, undefined for ADSB vehicle
     property var    map
     property double altitude:       Number.NaN                                      ///< NAN to not show
     property string callsign:       ""                                              ///< Vehicle callsign
     property double heading:        vehicle ? vehicle.heading.value : Number.NaN    ///< Vehicle heading, NAN for none
-    property real   size:           _adsbVehicle ? _adsbSize : _uavSize             /// Size for icon
+    property real   size:           ScreenTools.defaultFontPixelHeight * 3          /// Default size for icon, most usage overrides this
     property bool   alert:          false                                           /// Collision alert
 
     anchorPoint.x:  vehicleItem.width  / 2
@@ -33,8 +35,6 @@ MapQuickItem {
 
     property var    _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
     property bool   _adsbVehicle:   vehicle ? false : true
-    property real   _uavSize:       ScreenTools.defaultFontPixelHeight * 5
-    property real   _adsbSize:      ScreenTools.defaultFontPixelHeight * 2.5
     property var    _map:           map
     property bool   _multiVehicle:  QGroundControl.multiVehicleManager.vehicles.count > 1
 
@@ -65,8 +65,8 @@ MapQuickItem {
             id:                 vehicleIcon
             source:             _adsbVehicle ? (alert ? "/qmlimages/AlertAircraft.svg" : "/qmlimages/AwarenessAircraft.svg") : vehicle.vehicleImageOpaque
             mipmap:             true
-            width:              size
-            sourceSize.width:   size
+            width:              _root.size
+            sourceSize.width:   _root.size
             fillMode:           Image.PreserveAspectFit
             transform: Rotation {
                 origin.x:       vehicleIcon.width  / 2