Fix issue with UI + handle negative transform scaling with tessellation

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Editor/LitUI.cs

             m_MaterialEditor.TextureScaleOffsetProperty(detailMap[layerIndex]);
             if ((DisplacementMode)displacementMode.floatValue == DisplacementMode.Pixel && (UVDetail[layerIndex].floatValue != UVBase[layerIndex].floatValue))
             {
-                if (material.GetTexture(kDetailMap + layerIndex))
+                if (material.GetTexture(kDetailMap + m_PropertySuffixes[layerIndex]))
                     EditorGUILayout.HelpBox(Styles.perPixelDisplacementDetailsWarning.text, MessageType.Warning);
             }
             m_MaterialEditor.ShaderProperty(detailAlbedoScale[layerIndex], Styles.detailAlbedoScaleText);

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.hlsl

     bool faceCull = false;
 
 #ifndef _DOUBLESIDED_ON
-    // TODO: Handle inverse culling (for mirror)!
-        faceCull = BackFaceCullTriangle(p0, p1, p2, _TessellationBackFaceCullEpsilon, GetCurrentViewPosition()); // Use shadow view
+        // Handle transform mirroring (like negative scaling)
+        // Caution: don't change p1/p2 directly as it is use later
+        float3 backfaceP1 = unity_WorldTransformParams.w < 0.0 ? p2 : p1;
+        float3 backfaceP2 = unity_WorldTransformParams.w < 0.0 ? p1 : p2;
+
+        faceCull = BackFaceCullTriangle(p0, backfaceP1, backfaceP2, _TessellationBackFaceCullEpsilon, GetCurrentViewPosition()); // Use shadow view
     }
 #endif