[Shader Graph] update serialization

UnityProject/Assets/UnityShaderEditor/Graphs/FresnelFromSGraph.ShaderGraph

   - {fileID: 11400010}
   - {fileID: 11400012}
   - {fileID: 11490432}
-  - {fileID: 0}
   edges:
   - m_FromNode: {fileID: 11400010}
     m_ToNode: {fileID: 11400012}

UnityProject/Assets/UnityShaderEditor/Graphs/MetalTest.ShaderGraph

   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: ef5b9f0785847b04983f907c7f016a36, type: 3}
-  m_Name: TestGraph2
+  m_Name: MetalTest
   m_EditorClassIdentifier: 
   m_MaterialProperties: {fileID: 11468610}
   m_MaterialOptions: {fileID: 11461844}
     m_Node: {fileID: 11450928}
   m_PrecisionNames:
   - half
-  m_LightFunctionClassName: UnityEditor.Graphs.Material.PBRSpecularLightFunction
+  m_LightFunctionClassName: UnityEditor.Graphs.Material.PBRMetalicLightFunction
 --- !u!114 &11461844
 MonoBehaviour:
   m_ObjectHideFlags: 1

UnityProject/ProjectSettings/EditorSettings.asset

 --- !u!159 &1
 EditorSettings:
   m_ObjectHideFlags: 0
-  serializedVersion: 1
-  m_ExternalVersionControlSupport: 1
+  serializedVersion: 3
+  m_ExternalVersionControlSupport: Visible Meta Files
+  m_DefaultBehaviorMode: 0
+  m_SpritePackerMode: 2
+  m_SpritePackerPaddingPower: 1
+  m_ProjectGenerationIncludedExtensions: txt;xml;fnt;cd
+  m_ProjectGenerationRootNamespace: