Shader warning fix in template code gen file

Author: szymonbonfire

com.unity.render-pipelines.high-definition/Editor/Material/ShaderGraph/Templates/VertexAnimation.template.hlsl

@@ -12,7 +12,7 @@ VertexDescriptionInputs AttributesMeshToVertexDescriptionInputs(AttributesMesh i
     $VertexDescriptionInputs.WorldSpaceTangent:		    output.WorldSpaceTangent =           TransformObjectToWorldDir(input.tangentOS.xyz);
     $VertexDescriptionInputs.ViewSpaceTangent:          output.ViewSpaceTangent =            TransformWorldToViewDir(output.WorldSpaceTangent);
     $VertexDescriptionInputs.TangentSpaceTangent:       output.TangentSpaceTangent =         float3(1.0f, 0.0f, 0.0f);
-    $VertexDescriptionInputs.ObjectSpaceBiTangent:      output.ObjectSpaceBiTangent =        normalize(cross(input.normalOS, input.tangentOS) * (input.tangentOS.w > 0.0f ? 1.0f : -1.0f) * GetOddNegativeScale());
+    $VertexDescriptionInputs.ObjectSpaceBiTangent:      output.ObjectSpaceBiTangent =        normalize(cross(input.normalOS, input.tangentOS.xyz) * (input.tangentOS.w > 0.0f ? 1.0f : -1.0f) * GetOddNegativeScale());
     $VertexDescriptionInputs.WorldSpaceBiTangent:       output.WorldSpaceBiTangent =         TransformObjectToWorldDir(output.ObjectSpaceBiTangent);
     $VertexDescriptionInputs.ViewSpaceBiTangent:        output.ViewSpaceBiTangent =          TransformWorldToViewDir(output.WorldSpaceBiTangent);
     $VertexDescriptionInputs.TangentSpaceBiTangent:     output.TangentSpaceBiTangent =       float3(0.0f, 1.0f, 0.0f);