QmlDesigner: QmlPuppet as standalone tool

The qmlpuppet is now a standalone tool. There is new a library too with
the communication code. That is shared between the designer and the
puppet. It's in a .cmake file so it can be included by the standalone
tool if it is not part of a designer build.

Task-number: QDS-5879
Change-Id: I2bc2a0b463fbb3e0c8c23d182abfd368cf87e968
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/tools/qml2puppet/mockfiles/qt5/NodeNodeView.qml

@@ -0,0 +1,41 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
+
+import QtQuick 2.15
+import QtQuick3D 1.15
+
+View3D {
+    id: root
+    anchors.fill: parent
+    environment: sceneEnv
+    camera: theCamera
+
+    function fitToViewPort(closeUp)
+    {
+        // The magic number is the distance from camera default pos to origin
+        _generalHelper.calculateNodeBoundsAndFocusCamera(theCamera, importScene, root,
+                                                         1040, closeUp);
+    }
+
+    SceneEnvironment {
+        id: sceneEnv
+        antialiasingMode: SceneEnvironment.MSAA
+        antialiasingQuality: SceneEnvironment.High
+    }
+
+    DirectionalLight {
+        eulerRotation.x: -30
+        eulerRotation.y: -30
+    }
+
+    PerspectiveCamera {
+        id: theCamera
+        z: 600
+        y: 600
+        x: 600
+        eulerRotation.x: -45
+        eulerRotation.y: -45
+        clipFar: 10000
+        clipNear: 1
+    }
+}