custom-example: Fix tool insets in flyview

Make the custom fly view layer properly inherit so as to pass them through to the map,
and also use them to dodge the virtual joysticks.

custom-example/res/CustomFlyViewOverlay.qml

@@ -55,8 +55,18 @@ Item {
 
     QGCToolInsets {
         id:                     _totalToolInsets
-        topEdgeCenterInset:     compassArrowIndicator.y + compassArrowIndicator.height
+        leftEdgeTopInset:       parentToolInsets.leftEdgeTopInset
+        leftEdgeCenterInset:    parentToolInsets.leftEdgeCenterInset
+        leftEdgeBottomInset:    parentToolInsets.leftEdgeBottomInset
+        rightEdgeTopInset:      parentToolInsets.rightEdgeTopInset
+        rightEdgeCenterInset:   parentToolInsets.rightEdgeCenterInset
         rightEdgeBottomInset:   parent.width - compassBackground.x
+        topEdgeLeftInset:       parentToolInsets.topEdgeLeftInset
+        topEdgeCenterInset:     compassArrowIndicator.y + compassArrowIndicator.height
+        topEdgeRightInset:      parentToolInsets.topEdgeRightInset
+        bottomEdgeLeftInset:    parentToolInsets.bottomEdgeLeftInset
+        bottomEdgeCenterInset:  parentToolInsets.bottomEdgeCenterInset
+        bottomEdgeRightInset:   parent.height - attitudeIndicator.y
     }
 
     //-------------------------------------------------------------------------
@@ -209,7 +219,7 @@ Item {
 
     Rectangle {
         id:                     attitudeIndicator
-        anchors.bottomMargin:   _toolsMargin
+        anchors.bottomMargin:   _toolsMargin + parentToolInsets.bottomEdgeRightInset
         anchors.rightMargin:    _toolsMargin
         anchors.bottom:         parent.bottom
         anchors.right:          parent.right