Reproduction steps:
1. Open the “WebcamGetPixels32“ project
2. Open the “Sample” scene
3. Ensure a webcam device or a virtual camera is connected
4. Ensure WebGL is the selected platform in Build Settings
5. Build And Run
6. Observe the middle of the Player
Expected result: Webcam feed is visible
Actual result: Black pixels are visible instead of the webcam feed
Reproduced in: 2022.2.0a12, 2022.3.7f1, 2023.1.9f1, 2023.2.0b4
Not reproduced in: 2021.3.29f1, 2022.2.0a11
Reproduced on: macOS 13.4.1 (Intel), Windows 10
Not reproduced on: No other environment tested
Note: Not reproduced in Play Mode and Windows Player, while OSX Player failed to build