Camera preview not available in camera examples

Some of the multimedia examples which use camera are not showing camera output even though camera is turned on.

Examples: Widget Camera, Qml Camera(Declarative camera), Qml Video Recorder

Steps to Reproduce:

1. Open any example from the list above under Qt 6.2.13
2. Build and run it using "Desktop Qt 6.2.13 GCC 64bit"

Actual Result:

Camera preview is not displayed

Expected Result:

Camera preview is displayed

Reproducibility: 100%

Ubuntu 22.04

Qt Creator 14.0.2

Workaround for Widget Camera:
**

Change the device from the device drop-down and then the preview will be visible.