AudioSource.PlayScheduled will play the audio before the schedule when used in WebGL Build

How to reproduce:

1. Open the attached project "BGM Loop Bug.zip"
2. Build And Run the project for WebGL
3. Click the "Play Music" button

Expected results: AudioSource.PlayScheduled will play the audio after the schedule
Actual results: AudioSource.PlayScheduled will play the audio before the schedule

Reproducible with: 2020.3.45f1, 2021.3.18f1, 2022.2.7f1, 2023.1.0b4, 2023.2.0a2

Reproducible on: Windows 10