Reproduction steps:
1. Open the attached “TestVideo.zip” project
2. Build and Run for WebGL (File > Build and Run)
3. Click anywhere in the Player
4. Wait for the second video to start
5. Observe the Player

Expected result: Both of the videos play with no lagging or disruptions
Actual result: Frames of first video are visible in the second video and second video playback has visible lagging

Reproducible with: 2022.3.46f1, 6000.0.19f1
Could not test with: 2021.3.43f1 (WebGL builds with Linear Color Space are not supported)

Reproducible on: Windows 10 (User reported), Windows 11, macOS 14 (M2 Ultra)
Not reproducible on: no other environment tested

Notes:
- Does not reproduce with Gamma Color Space
- Reproduces with Mozilla Firefox (130.0), Google Chrome (128.0), Microsoft Edge (128.0) and Safari (17.4.1) browsers