Group selection yellow dotted lines appear on changing input UV value in Tiling And Offset node.

Steps to repro:
1. Create a new HDRP template project.
2. Project Window > Click on "+" >Shader > HDRP > Unlit Shader Graph.
3. Open Shader Graph > Right Click > Create Node > Tiling And Offset.
4. Change the input UV value to UV1/ UV2/ UV3.

Actual Result:
Group selection yellow dotted lines appear.

Expected Result:
Group selection yellow dotted lines should not appear.

Reproducible in:
2020.2.0a2, 2021.1.0b3, 2021.1.0a7, with Package Version 11.0.0, 10.2.2, 10.1.0.

Working Fine in:
2021.1.0a6 with Package Version10.1.0.

Environment:
Occurring on Windows 10 & Mac 10.15.