"Shutter Speed" dropdown text is clipped when "1/Second" option is selected from the "Physical" component under Camera in the Inspector, refer screenshot.

Steps to repro:
1. Create a new Project with HDRP Template
2. Select "Main Camera" in the Hierarchy
3. Inspector > Camera > Physical
4. Select "1/Second" option from "Shutter Speed"

Actual Result:
"Shutter Speed" dropdown text is clipped when "1/Second" option is selected

Expected Result:
"Shutter Speed" dropdown text doesn't clip and clearly visible

Note: "Shutter Speed" feature is introduced in 2019.3.0a3

Reproducible on:
2020.1.0a11, 2019.3.0b9, 2019.3.0a3

Package found version: 7.1.2, 7.1.1, 7.0.1

Environment:
Windows 10 & macOS 10.14