Font Asset Creator progress bar continues to display the process it was cancelled on

How to reproduce:
1. Create a new Unity project
2. Go to Window -> Text -> Font Asset Creator
3. Select any "Source Font"
4. Set "Atlas Resolution" to the maximum and "Character Set" to "Extended ASCII" to extend the creation time
5. Click "Generate Font Asset" and cancel it at once

Expected results: The process is canceled and the progress bar is empty
Actual results: The process the generation was canceled on is displayed on the progress bar

Reproducible with: 2021.3.46f1, 2022.3.52f1, 6000.0.27f1, 6000.1.0a4

Reproducible on: macOS Sequoia 15.0.1 (M1)
Not reproducible on: No other environment tested