Editor freezes on changing Camera sublayer index in Render Schedule after adding Input filters

Steps to repro:
1. Create a new HDRP project.
2. Windows > Render Pipeline > Graphics Compositor > Enable Compositor.
3. Render Schedule > Add Image > Drag Camera Sublayer down.
4. Select and add Chrome Keying and Alpha Mask Input filters.
5. Select Camera Sublayer and drag to the second position in the list.

Actual Result:
Editor freezes on changing Camera sublayer index.

Expected Result:
Editor does not freeze on changing Camera sublayer.

Reproducible in:
2020.2.0b7, 2020.2.0a1 with Package Version 10.0.0-preview.26, 9.0.0 preview.54.

Working Fine in:
2020.1.9f1 with Package Version 9.0.0-preview.54, 9.0.0-preview.33.

Note:
HDRP Compositor window introduced in 9.0.0 preview.33.

Environment:
Occurring only on Windows 10.