“Select a “Physics Core Settings 2D” Asset to edit …” text in the Physics Core 2D Settings should be a helpbox instead of plaintext

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Open the Project Settings window (Edit > Project Settings)
3. Open the Physics Core Settings 2D tab in the Project Settings window
4. Observe the Physics Core Settings 2D tab in the Project Settings window

Actual results: “Select a “Physics Core Settings 2D” Asset to edit …” is in plaintext

Expected results: “Select a “Physics Core Settings 2D” Asset to edit …” is a helpbox

Reproducible with versions: 6000.5.0a9, 6000.6.0a1

Not reproducible with versions: 

Can’t test with versions: 6000.0.70f1, 6000.3.11f1, 6000.4.0f1 (due to no Physics Core 2D Settings)

Tested on (OS): MacOS Silicon Tahoe 26.3