HDRenderLoop: fix issue with HeightMap

Assets/ScriptableRenderLoop/HDRenderLoop/Material/LayeredLit/LayeredLit.shader

     PROP_DECL_TEX2D(_MaskMap);
     PROP_DECL_TEX2D(_SpecularOcclusionMap);
     PROP_DECL_TEX2D(_NormalMap);
-    PROP_DECL_TEX2D(_Heightmap);
+    PROP_DECL_TEX2D(_HeightMap);
     PROP_DECL(float, _HeightScale);
     PROP_DECL(float, _HeightBias);
     PROP_DECL(float3, _EmissiveColor);

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/Lit.shader

 
     TEXTURE2D(_NormalMap);
     SAMPLER2D(sampler_NormalMap);
-    TEXTURE2D(_Heightmap);
-    SAMPLER2D(sampler_Heightmap);
+    TEXTURE2D(_HeightMap);
+    SAMPLER2D(sampler_HeightMap);
 
     float _HeightScale;
     float _HeightBias;

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/LitData.hlsl

     return float2(0.0, 0.0);
 #endif
 }
-
+                                           
 #if !defined(LAYERED_LIT_SHADER)
 
 void GetSurfaceAndBuiltinData(FragInput input, out SurfaceData surfaceData, out BuiltinData builtinData)
     float3 V = GetWorldSpaceNormalizeViewDir(input.positionWS); // This should be remove by the compiler as we usually cal it before.
     float height = SAMPLE_TEXTURE2D(_HeightMap, sampler_HeightMap, input.texCoord0).r * _HeightScale + _HeightBias;
     // Transform view vector in tangent space
-    TransformWorldToTangent(V, input.tangentToWorld);
+    float3 viewDirTS = TransformWorldToTangent(V, input.tangentToWorld);
     float2 offset = ParallaxOffset(viewDirTS, height);
     input.texCoord0 += offset;
     input.texCoord1 += offset;