refract hlsl function refracts the occlusion mesh when using stereo rendering

1. The Occlusion mesh black border is being refracted in my bubble shader. Occlusion mesh shouldn't be visible to the user like this.

2. Run the project using Both Eye view in the game view or Run on an XR Headset

Black Occlusion mesh appears in refraction of bubble
This shader uses the refract() function in a custom node in the VFX graph (Labeled Refraction in the node graph)