“AudioSource.isPlaying” returns true before the clip plays when using “AudioSource.PlayScheduled”

How to reproduce:
1. Open the user’s attached “PlayScheduled.zip” project
2. Enter Play Mode
3. Press any key on the keyboard
4. Listen to the sound and observe the Console window

Expected result: “UPDATE  True” is logged when the sound starts to play
Actual result: “UPDATE  True” is logged before the sound starts to play

Reproducible with: 2021.3.28f1, 2022.3.4f1, 2023.1.3f1, 2023.2.0a22

Reproduced on: macOS 13.2.1 (Intel)

Note: reproducible in the Editor and Standalone Player (macOS)