QML Video Example: example Crashing

QML Video Example: example crashing on Mac OS 12 using Qt 5.15.13.

Steps to reproduce:

1. Run the example
2. Under Camera Modes, select any mode

The app crashes if any mode is selected under the camera modes.

Logs:

qrc:/qml/qmlvideo/Content.qml:85:5: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... }
qrc:/qml/qmlvideo/Content.qml:75:5: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... }
19:18:42: /Users/anurupjalota/Qt/Examples/Qt-5.15.13/multimedia/video/build-qmlvideo-Desktop_Qt_5_15_13_for_macOS_Universal-Debug/qmlvideo.app/Contents/MacOS/qmlvideo crashed.