Rename Iridescence Thickness to Iridescence Layer Thickness

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

 
             // Iridescence
             public static GUIContent iridescenceMaskText = new GUIContent("Iridescence Mask", "Control intensity of the iridescence");
-            public static GUIContent iridescenceThicknessText = new GUIContent("Iridescence Thickness");
-            public static GUIContent iridescenceThicknessMapText = new GUIContent("Iridescence Thickness map");
-            public static GUIContent iridescenceThicknessRemapText = new GUIContent("Iridescence Thickness remap");
+            public static GUIContent iridescenceThicknessText = new GUIContent("Iridescence Layer Thickness");
+            public static GUIContent iridescenceThicknessMapText = new GUIContent("Iridescence Layer Thickness map");
+            public static GUIContent iridescenceThicknessRemapText = new GUIContent("Iridescence Layer Thickness remap");
 
             // Clear Coat
             public static GUIContent coatMaskText = new GUIContent("Coat Mask", "Attenuate the coating effect (similar to change to IOR of 1");

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

             public float anisotropy; // anisotropic ratio(0->no isotropic; 1->full anisotropy in tangent direction, -1->full anisotropy in bitangent direction)
 
             // Iridescence
-            [SurfaceDataAttributes("Iridescence Thickness")]
+            [SurfaceDataAttributes("Iridescence Layer Thickness")]
             public float iridescenceThickness;
             [SurfaceDataAttributes("Iridescence Mask")]
             public float iridescenceMask;

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

 #define DEBUGVIEW_LIT_SURFACEDATA_THICKNESS (1012)
 #define DEBUGVIEW_LIT_SURFACEDATA_TANGENT (1013)
 #define DEBUGVIEW_LIT_SURFACEDATA_ANISOTROPY (1014)
-#define DEBUGVIEW_LIT_SURFACEDATA_IRIDESCENCE_THICKNESS (1015)
+#define DEBUGVIEW_LIT_SURFACEDATA_IRIDESCENCE_LAYER_THICKNESS (1015)
 #define DEBUGVIEW_LIT_SURFACEDATA_IRIDESCENCE_MASK (1016)
 #define DEBUGVIEW_LIT_SURFACEDATA_INDEX_OF_REFRACTION (1017)
 #define DEBUGVIEW_LIT_SURFACEDATA_TRANSMITTANCE_COLOR (1018)
         case DEBUGVIEW_LIT_SURFACEDATA_ANISOTROPY:
             result = surfacedata.anisotropy.xxx;
             break;
-        case DEBUGVIEW_LIT_SURFACEDATA_IRIDESCENCE_THICKNESS:
+        case DEBUGVIEW_LIT_SURFACEDATA_IRIDESCENCE_LAYER_THICKNESS:
             result = surfacedata.iridescenceThickness.xxx;
             break;
         case DEBUGVIEW_LIT_SURFACEDATA_IRIDESCENCE_MASK: