Correct doc snippet and example license

According to QUIP-18 [1]
all file under snippets or examples should be
LicenseRef-Qt-Commercial OR BSD-3-Clause

[1]: https://contribute.qt-project.org/quips/18

Pick-to: 6.7
Task-number: QTBUG-121787
Change-Id: I58b6175b10be2463d4bc8034ad08432e0b3e77d7
Reviewed-by: Kai Köhne <kai.koehne@qt.io>

examples/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 qt_examples_build_begin(EXTERNAL_BUILD)
 

examples/core5/widgets/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 if(NOT TARGET Qt::Widgets)
     return()

examples/core5/widgets/tools/codecs/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 cmake_minimum_required(VERSION 3.16)
 project(codecs LANGUAGES CXX)

src/imports/graphicaleffects5/doc/snippets/Blend-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/DirectionalBlur-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/GaussianBlur-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/InnerShadow-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/MaskedBlur-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/RadialBlur-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/RecursiveBlur-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick

src/imports/graphicaleffects5/doc/snippets/ZoomBlur-example.qml

@@ -1,5 +1,5 @@
 // Copyright (C) 2022 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 //! [example]
 import QtQuick