Set '_StencilRef' for all lit materials

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Editor/BaseLitUI.cs

             bool depthOffsetEnable = material.GetFloat(kDepthOffsetEnable) > 0.0f;
             SetKeyword(material, "_DEPTHOFFSET_ON", depthOffsetEnable);
 
+            int stencilRef = (int)UnityEngine.Experimental.Rendering.HDPipeline.StencilBits.Standard; // See 'StencilBits'.
-                int stencilRef; // See 'StencilBits'.
 
                 switch (materialID)
                 {
                         stencilRef = 1 + materialID;
                         break;
                 }
-
-                material.SetInt("_StencilRef", stencilRef);
+            material.SetInt("_StencilRef", stencilRef);
 
             bool enablePerPixelDisplacement = material.GetFloat(kEnablePerPixelDisplacement) > 0.0f;
             SetKeyword(material, "_PER_PIXEL_DISPLACEMENT", enablePerPixelDisplacement);