Animation Event marker is not placed on the current time of the timeline when using the “Add Event” button

How to reproduce:
1. Open the user’s attached “AnimationEventBug.zip” project
2. In the Project window, select “Ch39_nonPBR.fbx”
3. In the Inspector window, open the “Animation” tab
4. Expand “Events” tab
5. Press the “Add Event” button
6. Observe the result

Expected result: Added event’s marker is placed on 0:00
Actual result: Added event’s marker is placed not on 0:00

Reproducible with: 2021.3.30f1, 2022.3.10f1, 2023.1.15f1, 2023.2.0b11, 2023.3.0a7

Reproduced on: macOS 13.5.2 (Intel), Windows 10
Not reproducible on: No other environment tested