Fix bad redraw with Simple Mission Item editors

src/PlanView/MissionItemEditor.qml

@@ -15,7 +15,7 @@ import QGroundControl.Palette       1.0
 /// Mission item edit control
 Rectangle {
     id:     _root
-    height: editorLoader.y + editorLoader.height + (_margin * 2)
+    height: editorLoader.y + (editorLoader.visible ? editorLoader.height : 0) + (_margin * 2)
     color:  _currentItem ? qgcPal.missionItemEditor : qgcPal.windowShade
     radius: _radius
 
@@ -198,12 +198,8 @@ Rectangle {
         anchors.topMargin:  _margin
         anchors.left:       parent.left
         anchors.top:        commandPicker.bottom
-        height:             item ? item.height : 0
         source:             missionItem.editorQml
-
-        onLoaded: {
-            item.visible = Qt.binding(function() { return _currentItem; })
-        }
+        visible:            _currentItem
 
         property var    masterController:   _masterController
         property real   availableWidth:     _root.width - (_margin * 2) ///< How wide the editor should be

src/PlanView/SimpleItemEditor.qml

@@ -12,29 +12,14 @@ import QGroundControl.Palette       1.0
 
 // Editor for Simple mission items
 Rectangle {
-    id:                 valuesRect
     width:  availableWidth
-    height:             deferedload.status == Loader.Ready ? (visible ? deferedload.item.height : 0) : 0
+    height: valuesColumn.height + _margin
     color:  qgcPal.windowShadeDark
-    visible:            missionItem.isCurrentItem
     radius: _radius
 
-    Loader {
-        id:              deferedload
-        active:          valuesRect.visible
-        asynchronous:    true
-        anchors.margins: _margin
-        anchors.left:    valuesRect.left
-        anchors.right:   valuesRect.right
-        anchors.top:     valuesRect.top
-
-        sourceComponent: Component {
-            Item {
-                id:                 valuesItem
-                height:             valuesColumn.height + (_margin * 2)
-
     Column {
         id:                 valuesColumn
+        anchors.margins:    _margin
         anchors.left:       parent.left
         anchors.right:      parent.right
         anchors.top:        parent.top
@@ -153,7 +138,4 @@ Rectangle {
             visible:    missionItem.cameraSection.available
         }
     } // Column
-            } // Item
-        } // Component
-    } // Loader
 } // Rectangle