How to reproduce:
1. Open the attached project
2. In the Project window, select Assets/FontAsset1
3. In the Inspector view, click "Update Atlas Texture"
4. In the newly opened Font Asset Creator window, observe the "Font Face" value
5. Close the Font Asset Creator window
6. In the Project window, select Assets/FontAsset2
7. In the Inspector view, click "Update Atlas Texture"
8. Observe the "Font Face" value in the Font Asset Creator window

Expected result: Font Face is equivalent to the Source Font of the selected Asset
Actual result: Font Face is set from the previously selected Font Asset

Reproducible with: 3.2.0-pre.1 (2020.3.19f1, 2021.1.23f1, 2021.2.0b14, 2022.1.0a10)
Not reproducible with: 3.0.6 (2020.3.19f1, 2021.1.23f1, 2021.2.0b14, 2022.1.0a10)
Could not test with: 2019.4.31f1 (error: "The name 'VersionControlSettings' does not exist in the current context")