Other curve angles which are not attached are visible and overlaps with an attached angle when "Angle.XYZ over Life" block is collapsed, refer attached video.

Steps to repro:
1. Create a new project
2. Windows > Package Manager > Visual Effects Graph > Install
3. Project > Packages > Visual Effect Graph > Editor > Templates > Open Default Subgraph Block
4. Focus on "Block Subgraph"
5. Press space twice to add blocks
6. Add "Angle.XYZ over Life" block
7. Create Node from Angle_y
8. Click on Collapse icon of the "Angle.XYZ over Life" block

Actual Result:
Other curve Angles which are not attached are visible and overlaps with attached Angle

Expected Result:
Only attached Angles curve are visible in collapse view

Reproducible in:
2020.1.0a5, 2019.3.0b5, 2019.3.0a10

Package Version found: 7.1.1, 7.0.1, 7.0.0.

NOTE:
Visual Effect Graph is introduced in 2019.3.0a10.

Environment:
Windows 10 & macOS 10.14