Change namespace of GraphInspector{Presenter,View}

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/Inspector/Presenters/GraphInspectorPresenter.cs

 using UnityEngine.Graphing;
 using UnityEngine.MaterialGraph;
 
-namespace UnityEditor.MaterialGraph.Drawing
+namespace UnityEditor.MaterialGraph.Drawing.Inspector
 {
     public class GraphInspectorPresenter : ScriptableObject
     {

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/Inspector/Views/GraphInspectorView.cs

 using UnityEngine.Experimental.UIElements;
 using Object = UnityEngine.Object;
 
-namespace UnityEditor.MaterialGraph.Drawing.Views
+namespace UnityEditor.MaterialGraph.Drawing.Inspector
 {
     public class GraphInspectorView : DataWatchContainer
     {

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/Presenters/GraphEditorPresenter.cs

-using UnityEngine;
+using UnityEditor.MaterialGraph.Drawing.Inspector;
+using UnityEngine;
 using UnityEngine.Graphing;
 
 namespace UnityEditor.MaterialGraph.Drawing

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Drawing/Views/GraphEditorView.cs

 using UnityEditor.Experimental.UIElements.GraphView;
 using UnityEditor.MaterialGraph.Drawing;
-using UnityEditor.MaterialGraph.Drawing.Views;
+using UnityEditor.MaterialGraph.Drawing.Inspector;
 using UnityEngine;
 using UnityEngine.Experimental.UIElements;