Property values are missing for the Setting button in New Screen Space Shadows in Custom Renderer Data

Steps to Repro

1. Create a new project in URP Template
2. Create Project > right-click > Create > Rendering > URP Universal Renderer
3. Select Project > CustomUniversalRendering Data > Inspector > Add Renderer Feature > Screen Space Shadows
4. Click on Setting button in New Screen Space Shadows

Expected Result:
Property values should be available for Setting

Actual Result:
Property values are missing

Reproducible on: 2021.2.0a12, 2021.1.1f1 with package version 11.0.0 and 12.0.0

Environment: Windows 10 and Mac 10.15

Note: Screen Space Shadow is not available before 2021.1