Fix normal map scaling to work properly.

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/StackLit/StackLitUI.cs

                     new TextureProperty(this, k_MetallicMap, k_Metallic, "Metallic", "Metallic", false, false),
                     new Property(this, k_DielectricIor, "DieletricIor", "IOR use for dielectric material (i.e non metallic material)", false),
                     new TextureProperty(this, k_SmoothnessAMap, k_SmoothnessA, "Smoothness", "Smoothness", false, false),
-                    new TextureProperty(this, k_NormalMap, k_NormalScale, "Normal", "Normal Map", false, false, true),
+                    new TextureProperty(this, k_NormalMap, k_NormalScale, "Normal", "Normal Map", true, false, true),
                     new TextureProperty(this, k_AmbientOcclusionMap, k_AmbientOcclusion, "AmbientOcclusion", "AmbientOcclusion Map", false, false),
                 }),
 
                 new GroupProperty(this, "_Coat", "Coat", new BaseProperty[]
                 {
                     new TextureProperty(this, k_CoatSmoothnessMap, k_CoatSmoothness, "Coat smoothness", "Coat smoothness", false),
-                    new TextureProperty(this, k_CoatNormalMap, k_CoatNormalScale, "Coat Normal Map", "Coat Normal Map", false, false, true,  _ => EnableCoatNormalMap.BoolValue == true),
+                    new TextureProperty(this, k_CoatNormalMap, k_CoatNormalScale, "Coat Normal Map", "Coat Normal Map", true, false, true,  _ => EnableCoatNormalMap.BoolValue == true),
                     new Property(this, "_CoatIor", "Coat IOR", "Index of refraction", false),
                     new Property(this, "_CoatThickness", "Coat Thickness", "Coat thickness", false),
                     new Property(this, "_CoatExtinction", "Coat Absorption", "Coat absorption tint (the thicker the coat, the more that color is removed)", false),

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/StackLit/StackLitData.hlsl

         }
 #endif
 
-        float2 deriv = UnpackDerivativeNormalRGorAG(SampleTexture2DScaleBias(TEXTURE2D_PARAM(textureName, samplerName), textureNameUV, textureNameUVLocal, textureNameST, uvMapping));
+        float2 deriv = UnpackDerivativeNormalRGorAG(SampleTexture2DScaleBias(TEXTURE2D_PARAM(textureName, samplerName), textureNameUV, textureNameUVLocal, textureNameST, uvMapping), scale);
 
         if (textureNameUV <= TEXCOORD_INDEX_UV3)
         {