Description: camera Example fails to record video if VAAPI library is Installed on the System.

Steps to reproduce:

1. make sure you have VAAPI library Installed, if you don't have it Installed already you will get the following Warning:

qt.multimedia.ffmpeg.libsymbolsresolver: Couldn't load VAAPI library 

you can Install it using the following command:

apt install -y libva-dev

1. build and run any camera example widget or Qml.
2. switch to video and start recording
3. observe that the video recording fails with this error:

   [hevc_vaapi @ 0x55e8b9921480] No usable encoding entrypoint found for profile VAProfileHEVCMain (17).
   Couldn't open codec for writing "Function not implemented"
   codec context is not initialized!
   codec context is not initialized!
   [aac @ 0x7efcbc003a80] Qavg: 65536.000
   codec context is not initialized! 

Environment:
Ubuntu 22.04
Qt creator 13