Change the default value of thickness

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader

         _SubsurfaceProfile("Subsurface Profile", Int) = 0
         _SubsurfaceRadius("Subsurface Radius", Range(0.004, 1.0)) = 1.0
         _SubsurfaceRadiusMap("Subsurface Radius Map", 2D) = "white" {}
-        _Thickness("Thickness", Range(0.004, 1.0)) = 0.5
+        _Thickness("Thickness", Range(0.004, 1.0)) = 1.0
         _ThicknessMap("Thickness Map", 2D) = "white" {}
 
         //_CoatCoverage("CoatCoverage", Range(0.0, 1.0)) = 0

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

         _SubsurfaceProfile("Subsurface Profile", Int) = 0
         _SubsurfaceRadius("Subsurface Radius", Range(0.004, 1.0)) = 1.0
         _SubsurfaceRadiusMap("Subsurface Radius Map", 2D) = "white" {}
-        _Thickness("Thickness", Range(0.004, 1.0)) = 0.5
+        _Thickness("Thickness", Range(0.004, 1.0)) = 1.0
         _ThicknessMap("Thickness Map", 2D) = "white" {}
 
         //_CoatCoverage("CoatCoverage", Range(0.0, 1.0)) = 0