Steps to reproduce:
1. Create new Unity project
2. In Hierarchy window create a Cube GameObject
3. Go to the Inspector window
4. Find the “Tag” section
5. Expand the dropdown and select “Add Tag…”
6. Click “”
7. Enter a really long tag name (copy and paste)
8. Copy the long tag name
9. Press Enter
10. Click “” and enter the same long tag that was copied
11. Press Enter
12. Observe the popup

Actual results: Critical error icon disappears
Expected results: Critical error icon does not disappears

Reproducible with versions: 6000.0.54f1, 6000.1.12f1, 6000.2.0b11, 6000.3.0a3

Tested on (OS): macOS Silicon, Sequoia 15.5 (M1)