Fetch Color Buffer warning text clipped in FullScreenCustomPass.

Steps to repro:
1. Create a new HDRP template project.
2. Hierarchy > Volume > Custom Pass.
3. Inspector > Add FullScreenCustomPass.
4. Enable Fetch Color Buffer checkbox.

Actual Result:
Fetch Color Buffer warning text clipped in FullScreenCustomPass.

Expected Result:
Fetch Color Buffer warning text should not be clipped.

Reproducible in:
2021.1.0a4, 2020.2.0b10, 2020.2.0a20 with Package version 10.1.0, 10.0.0-preview.27.

Working Fine in:
2020.2.0b5 with Package version 9.0.0-preview.71.

Environment:
Occurring on Windows 10 & mac 10.15.