Enabling pretty printing of shader graph JSON

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/AbstractMaterialGraphEditWindow.cs

             if (graph == null)
                 return;
 
-            File.WriteAllText(path, EditorJsonUtility.ToJson(inMemoryAsset));
+            File.WriteAllText(path, EditorJsonUtility.ToJson(inMemoryAsset, true));
             AssetDatabase.ImportAsset(path);
         }
 
                 textures.Add(texture);
             }
             shaderImporter.SetNonModifiableTextures(textureNames.ToArray(), textures.ToArray());
-            File.WriteAllText(path, EditorJsonUtility.ToJson(inMemoryAsset));
+            File.WriteAllText(path, EditorJsonUtility.ToJson(inMemoryAsset, true));
             shaderImporter.SaveAndReimport();
             AssetDatabase.ImportAsset(path);
         }

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Testing/IntegrationTests/Graphs/Add.ShaderGraph.meta

 fileFormatVersion: 2
 guid: 6b526455b2500458f9e378534990c26c
-timeCreated: 1502012283
+timeCreated: 1504702289
 licenseType: Pro
 ShaderImporter:
   externalObjects: {}

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Testing/IntegrationTests/Graphs/AddSubGraph.ShaderGraph.meta

 fileFormatVersion: 2
 guid: f20399762b45e564fbe7b65ab460a5b6
-timeCreated: 1503218095
+timeCreated: 1504702299
 licenseType: Pro
 ShaderImporter:
   externalObjects: {}

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Testing/IntegrationTests/Graphs/Cracks.ShaderGraph.meta

 fileFormatVersion: 2
 guid: a8cb0d181b460aa4bac2693ce3bfc1ad
-timeCreated: 1503150141
+timeCreated: 1504702312
 licenseType: Pro
 ShaderImporter:
   externalObjects: {}

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Testing/IntegrationTests/Graphs/Multiply.ShaderGraph.meta

 fileFormatVersion: 2
 guid: 3b1382b7bb78a4162b89a4f706240f08
-timeCreated: 1502012510
+timeCreated: 1504702329
 licenseType: Pro
 ShaderImporter:
   externalObjects: {}

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Testing/IntegrationTests/Graphs/TextureSample.ShaderGraph.meta

 fileFormatVersion: 2
 guid: 0bf1c65d8d6ab4c1f8476fb1cf9eb20a
-timeCreated: 1502012593
+timeCreated: 1504702365
 licenseType: Pro
 ShaderImporter:
   externalObjects: {}