VideoPlayer.frameReady event fires only once in a video when the Player Graphics API is set to WebGPU

How to reproduce:
1. Open the attached “IN-140834“ project
2. Build and Run the Player
3. Focus the Player tab in the browser
4. Observe the “frameReady count” value at the top left corner of the Player

Actual result: The frameReady count value is equal to 1 and does not increase
Expected result: The frameReady count value constantly increases

Reproducible with: 6000.3.0a1 (4592b02ab560), 6000.3.14f1, 6000.4.5f1, 6000.5.0b6, 6000.6.0a4
Not reproducible with: 2023.1.0a1, 6000.0.74f1, 6000.2.0b2 (2bdac9ac0d74)

Reproducible on: Windows 10 (by user), Windows 11
Not reproducible on: No other environments tested

Notes:

• Issue reproduces on Firefox, Edge, Chrome browsers
• Issue does not reproduce when the Graphics API is set to WebGL 2
• Issue does not reproduce on the Windows Platform with Graphics API Direct3D12