Entering any value as Input to the C# field in the UI Toolkit Editor Window assigns the same value to all the other subsequent fields.
Refer to the attached Video.

Steps to Reproduce:
1. Create a New Project
2. Project > Right-click > Create > UI Toolkit > Editor Window
3. UI Toolkit > Editor Window > C# Input Field > Enter any

Actual Result:
Entered Input is reflected in all Three Input Fields

Expected Result:
Entered Input should only be reflected in the respective field

Reproducible with:
2020.2.0a20, 2020.1.2f1, 2019.4.7f1, 2019.3.16f1, 2018.4.25f1

Environment:
Windows 10 and macOS 10.15