Cleaning warning message output

src/FlightMap/Widgets/MapFitFunctions.qml

@@ -95,6 +95,10 @@ Item {
     }
 
     function fitMapViewportToMissionItems() {
+        if (!mapMissionController.visualItems) {
+            // Being called prior to controller.start
+            return
+        }
         var coordList = [ ]
         addMissionItemCoordsForFit(coordList)
         fitMapViewportToAllCoordinates(coordList)
@@ -135,6 +139,10 @@ Item {
     }
 
     function fitMapViewportToAllItems() {
+        if (!mapMissionController.visualItems) {
+            // Being called prior to controller.start
+            return
+        }
         var coordList = [ ]
         addMissionItemCoordsForFit(coordList)
         addFenceItemCoordsForFit(coordList)

src/MissionEditor/MissionSettingsEditor.qml

@@ -160,7 +160,6 @@ Rectangle {
                         }
 
                         QGCLabel {
-                            Layout.row: 2
                             text:       qsTr("Cruise speed:")
                             visible:    _showCruiseSpeed
                             Layout.fillWidth: true
@@ -172,7 +171,6 @@ Rectangle {
                         }
 
                         QGCLabel {
-                            Layout.row: 3
                             text:       qsTr("Hover speed:")
                             visible:    _showHoverSpeed
                             Layout.fillWidth: true

src/MissionEditor/SimpleItemMapVisual.qml

@@ -25,29 +25,35 @@ Item {
     property var    _missionItem:       object
     property var    _itemVisual
     property var    _dragArea
+    property bool   _itemVisualShowing: false
+    property bool   _dragAreaShowing:   false
 
     function hideItemVisuals() {
+        if (_itemVisualShowing) {
             _itemVisual.destroy()
-        _itemVisual = undefined
+            _itemVisualShowing = false
+        }
     }
 
     function showItemVisuals() {
-        if (!_itemVisual) {
+        if (!_itemVisualShowing) {
             _itemVisual = indicatorComponent.createObject(map)
             map.addMapItem(_itemVisual)
+            _itemVisualShowing = true
         }
     }
 
     function hideDragArea() {
-        if (_dragArea) {
+        if (_dragAreaShowing) {
             _dragArea.destroy()
-            _dragArea = undefined
+            _dragAreaShowing = false
         }
     }
 
     function showDragArea() {
-        if (!_dragArea) {
+        if (!_dragAreaShowing) {
             _dragArea = dragAreaComponent.createObject(map)
+            _dragAreaShowing = true
         }
     }
 

src/MissionEditor/SurveyMapVisual.qml

@@ -76,6 +76,7 @@ Item {
             anchorPoint.y:  sourceItem.anchorPointY
             z:              QGroundControl.zOrderMapItems
             coordinate:     _missionItem.coordinate
+            visible:        _missionItem.exitCoordinate.isValid
 
             sourceItem:
                 MissionItemIndexLabel {
@@ -96,6 +97,7 @@ Item {
             anchorPoint.y:  sourceItem.anchorPointY
             z:              QGroundControl.zOrderMapItems
             coordinate:     _missionItem.exitCoordinate
+            visible:        _missionItem.exitCoordinate.isValid
 
             sourceItem:
                 MissionItemIndexLabel {