Fix missing code for texture

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

             CoreUtils.SetKeyword(material, "_DETAIL_MAP", material.GetTexture(kDetailMap));
             CoreUtils.SetKeyword(material, "_SUBSURFACE_MASK_MAP", material.GetTexture(kSubsurfaceMaskMap));
             CoreUtils.SetKeyword(material, "_THICKNESSMAP", material.GetTexture(kThicknessMap));
+            CoreUtils.SetKeyword(material, "_THICKNESSMAP_IRIDESCENCE", material.GetTexture(kThicknessMapIridescence));
             CoreUtils.SetKeyword(material, "_SPECULARCOLORMAP", material.GetTexture(kSpecularColorMap));
 
             bool needUV2 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV2 || (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV2;

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/Lit.shader

     #pragma shader_feature _DETAIL_MAP
     #pragma shader_feature _SUBSURFACE_MASK_MAP
     #pragma shader_feature _THICKNESSMAP
+    #pragma shader_feature _THICKNESSMAP_IRIDESCENCE
     #pragma shader_feature _SPECULARCOLORMAP
     #pragma shader_feature _TRANSMITTANCECOLORMAP
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/LitDataIndividualLayer.hlsl

     surfaceData.ior = _Ior;
     surfaceData.transmittanceColor = _TransmittanceColor;
     #ifdef _TRANSMITTANCECOLORMAP
-    surfaceData.transmittanceColor *= SAMPLE_UVMAPPING_TEXTURE2D(ADD_IDX(_TransmittanceColorMap), ADD_ZERO_IDX(sampler_TransmittanceColorMap), ADD_IDX(layerTexCoord.base)).rgb;
+    surfaceData.transmittanceColor *= SAMPLE_UVMAPPING_TEXTURE2D(_TransmittanceColorMap, sampler_TransmittanceColorMap, ADD_IDX(layerTexCoord.base)).rgb;
     #endif
 
     surfaceData.atDistance = _ATDistance;
 #endif
 
 #ifdef _MATERIAL_FEATURE_IRIDESCENCE
-    #ifdef _THICKNESSMAP_IRIDESCENCE_IDX
-    surfaceData.thicknessIridescence = SAMPLE_UVMAPPING_TEXTURE2D(ADD_IDX(_ThicknessMapIridescence), SAMPLER_THICKNESSMAP_IDX, ADD_IDX(layerTexCoord.base)).r;
+    #ifdef _THICKNESSMAP_IRIDESCENCE
+    surfaceData.thicknessIridescence = SAMPLE_UVMAPPING_TEXTURE2D(_ThicknessMapIridescence, sampler_ThicknessMapIridescence, ADD_IDX(layerTexCoord.base)).r;
     surfaceData.thicknessIridescence = ADD_IDX(_ThicknessRemapIridescence).x + ADD_IDX(_ThicknessRemapIridescence).y * surfaceData.thicknessIridescence;
     #else
     surfaceData.thicknessIridescence = ADD_IDX(_ThicknessIridescence);

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/LitTessellation.shader

     #pragma shader_feature _DETAIL_MAP
     #pragma shader_feature _SUBSURFACE_MASK_MAP
     #pragma shader_feature _THICKNESSMAP
+    #pragma shader_feature _THICKNESSMAP_IRIDESCENCE
     #pragma shader_feature _SPECULARCOLORMAP
     #pragma shader_feature _TRANSMITTANCECOLORMAP