[VFX graph] Errors are thrown on installing the Visual effect graph package in a 3D template

Multiple Errors are thrown on installing the Visual effect graph package in a 3D template.

Steps to Repro:
1. Create a new Project
2. Add Visual Effect Graph Package
3. Observe errors in the Console window.

Expected Result: No error in the console

Actual Result: Multiple errors thrown in the console.

Reproducible in: 2021.2.0b1, 2021.2.0a18
Working Fine in: 2021.2.0a17, 2021.1. 13f1, 2020.3.13f1, 2019.4.28f1

Environment: macOS only

Stack trace:
Shader error in '[SimpleRibbon] [Ribbon] Initialize Particle Strip': redefinition of 'SafePositivePow_half' at kernel CSMain at project/library/packagecache/com.unity.render-pipelines.core@12.0.0/shaderlibrary/common.hlsl(674) (on metal)
Shader error in '[SimpleHeadsAndTrails] [Trail Bodies] Update Particle Strip': redefinition of 'SafePositivePow_half' at kernel CSMain at project/library/packagecache/com.unity.render-pipelines.core@12.0.0/shaderlibrary/common.hlsl(674) (on metal)
Shader error in '[SimpleParticleSystem] [System] Update Particle': redefinition of 'SafePositivePow_half' at kernel CSMain at (23)/library/packagecache/com.unity.render-pipelines.core@12.0.0/shaderlibrary/common.hlsl(602) (on metal)
Shader error in '[SimpleHeadsAndSparks] [Heads] Update Particle': redefinition of 'SafePositivePow_half' at kernel CSMain at project/library/packagecache/com.unity.render-pipelines.core@12.0.0/shaderlibrary/common.hlsl(674) (on metal)