Fix missing stencil mask in SSS jimenez version

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/SubsurfaceScattering/SubsurfaceScattering.shader

     Properties
     {
         [HideInInspector] _DstBlend("", Float) = 1 // Can be set to 1 for blending with specular
+
+        [HideInInspector] _StencilMask("_StencilMask", Int) = 7
     }
 
     SubShader
             Stencil
             {
+                ReadMask[_StencilMask]
                 Ref  1 // StencilLightingUsage.SplitLighting
                 Comp Equal
                 Pass Keep

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs

             m_SssVerticalFilterPass = CoreUtils.CreateEngineMaterial(hdAsset.renderPipelineResources.subsurfaceScattering);
             m_SssVerticalFilterPass.DisableKeyword("SSS_FILTER_HORIZONTAL_AND_COMBINE");
             m_SssVerticalFilterPass.SetFloat(HDShaderIDs._DstBlend, (float)BlendMode.Zero);
+            m_SssVerticalFilterPass.SetInt(HDShaderIDs._StencilMask, (int)HDRenderPipeline.StencilBitMask.LightingMask);
+            m_SssHorizontalFilterAndCombinePass.SetInt(HDShaderIDs._StencilMask, (int)HDRenderPipeline.StencilBitMask.LightingMask);
 
             m_CopyStencilForSplitLighting = CoreUtils.CreateEngineMaterial(hdAsset.renderPipelineResources.copyStencilBuffer);
             m_CopyStencilForSplitLighting.SetInt(HDShaderIDs._StencilRef, (int)StencilLightingUsage.SplitLighting);