HDRenderPipeline: Add missing copyChannelCS on HDrenderPipelineResourcesTest.Asset

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/HDRPAsset/HDRenderPipelineResourcesTest.asset

     type: 3}
   gaussianPyramidCS: {fileID: 7200000, guid: 6dba4103d23a7904fbc49099355aff3e, type: 3}
   depthPyramidCS: {fileID: 7200000, guid: 64a553bb564274041906f78ffba955e4, type: 3}
-  copyChannelCS: {fileID: 7200000, guid: 4e910cec38a1ec640a03324015e036d0, type: 3}
+  copyChannelCS: {fileID: 7200000, guid: a68d8aaeb0956234d94e389f196381ee, type: 3}
   clearDispatchIndirectShader: {fileID: 7200000, guid: fc1f553acb80a6446a32d33e403d0656,
     type: 3}
   buildDispatchIndirectShader: {fileID: 7200000, guid: 4eb1b418be7044c40bb5200496c50f14,