Display Name & Reference Suffix sections are overlapped with each other in Entries under Enum / Material Quality keywords while resizing the blackboard window.

Steps to repro:
1. Create a new project
2. Windows > Package Manager > Shader Graph(7.1.7) > Install
3. Project > Create > Shader > PBR Graph > Open
4. Shader Graph Blackboard > Add(+) > Keyword > Enum / Material Quality
5. Expand Enum / Material Quality properties
6. Shrunk Balckboard Horizontally to its minimum size

Actual Result:
Display Name & Reference Suffix sections are overlapped under Enum keyword on shrinking Blackboard horizontally to its minimum size

Expected Result:
Entries list sections don't overlap with each other and have some specific size limit for sections with the horizontal scrollbar

Note: Keyword is introduced in Package version 7.1.1

Tested with Unity version:
2020.1.0a18, 2019.3.0f5

Package found version: 7.1.7, 7.1.6, 7.1.5, 7.1.2, 7.1.1

Environment:
Windows 10 & macOS 10.14