How to reproduce:
1. Create a new Unity project and install the Visual Effect Graph package
2. In the Project window, right-click -> Create -> Visual Effects -> Visual Effect Graph -> Any graph -> Create
3. Focus on the "Update Particle" block and select the text field
4. Delete the existing name and enter the custom name
5. Observe the field

Expected results: The whole text is visible while entering the name
Actual results: The first letter of the text is not visible while entering the text

Reproducible with: 6000.0.0b13, 6000.0.39f1, 6000.1.0b7, 6000.2.0a4
Not reproducible with: 6000.0.0b12

Reproducible on: macOS Sequoia 15.3 (M1)
Not reproducible on: No other environment tested