QmlDesigner: Disable shadows for gizmos

Some gizmos (selection box and helper grid) are drawn to main 3D editor
scene. Disabled receiving and casting shadows for those gizmos so
they do not interfere with scene lighting.

Change-Id: Ia589d3896c2591061966f6a4d532a0dedbf6fe12
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

share/qtcreator/qml/qmlpuppet/mockfiles/qt5/HelperGrid.qml

@@ -39,6 +39,8 @@ Node {
     // Note: Only one instance of HelperGrid is supported, as the geometry names are fixed
 
     Model { // Main grid lines
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             id: gridGeometry
             name: "3D Edit View Helper Grid"
@@ -55,6 +57,8 @@ Node {
     }
 
     Model { // Subdivision lines
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -73,6 +77,8 @@ Node {
     }
 
     Model { // Z Axis
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -89,6 +95,8 @@ Node {
         ]
     }
     Model { // X Axis
+        castsShadows: false
+        receivesShadows: false
         eulerRotation.z: 90
         geometry: GridGeometry {
             lines: gridGeometry.lines

share/qtcreator/qml/qmlpuppet/mockfiles/qt5/SelectionBox.qml

@@ -54,6 +54,9 @@ Node {
 
         visible: selectionBox.targetNode && !selectionBoxGeometry.isEmpty
 
+        castsShadows: false
+        receivesShadows: false
+
         materials: [
             DefaultMaterial {
                 diffuseColor: "#fff600"

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/HelperGrid.qml

@@ -40,6 +40,8 @@ Node {
 
     Model { // Main grid lines
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             id: gridGeometry
             name: "3D Edit View Helper Grid"
@@ -57,6 +59,8 @@ Node {
 
     Model { // Subdivision lines
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -76,6 +80,8 @@ Node {
 
     Model { // Z Axis
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         geometry: GridGeometry {
             lines: gridGeometry.lines
             step: gridGeometry.step
@@ -93,6 +99,8 @@ Node {
     }
     Model { // X Axis
         readonly property bool _edit3dLocked: true // Make this non-pickable
+        castsShadows: false
+        receivesShadows: false
         eulerRotation.z: 90
         geometry: GridGeometry {
             lines: gridGeometry.lines

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/SelectionBox.qml

@@ -55,6 +55,9 @@ Node {
 
         visible: selectionBox.targetNode && !selectionBoxGeometry.isEmpty
 
+        castsShadows: false
+        receivesShadows: false
+
         materials: [
             DefaultMaterial {
                 diffuseColor: "#fff600"