Add resize handle to inspector window

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

             {
                 // { typeof(AbstractSurfaceMasterNode), typeof(SurfaceMasterNodeEditorView) }
             };
+
+            var resizeHandle = new Label { name = "resize", text = "" };
+            resizeHandle.AddManipulator(new Draggable(OnResize));
+            Add(resizeHandle);
+        }
+
+        void OnResize(Vector2 resizeDelta)
+        {
+            Vector2 normalizedResizeDelta = resizeDelta / 2f;
+
+            style.width = Mathf.Max(style.width + normalizedResizeDelta.x, 60f);
+            style.height = Mathf.Max(style.height + normalizedResizeDelta.y, 60f);
         }
 
         MasterNode masterNode

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

         {
             Vector2 normalizedDelta = mouseDelta / 2f;
 
-            m_GraphInspectorView.style.positionRight -= normalizedDelta.x;
-            m_GraphInspectorView.style.positionBottom -= normalizedDelta.y;
+            m_GraphInspectorView.style.positionLeft += normalizedDelta.x;
+            m_GraphInspectorView.style.positionTop += normalizedDelta.y;
         }
 
         GraphViewChange GraphViewChanged(GraphViewChange graphViewChange)

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Resources/Styles/MaterialGraph.uss

     flex-direction: column;
     justify-content: space-between;
     position-type: absolute;
-    position-right: 0;
-    position-bottom: 0;
-    width: 400;
+    position-left: 0;
+    position-top: 0;
+    width: 600;
     height: 800;
 }
 
 
 GraphInspectorView > #bottom > #properties > #items {
     padding-bottom: 4;
+}
+
+GraphInspectorView > #resize {
+    cursor: resize-up-left;
+    align-self: flex-end;
+    background-color: rgb(0, 0, 127);
+    position-type: absolute;
+    width: 16;
+    height: 16;
+    position-right: 0;
+    position-bottom: 0;
 }
 
 ShaderPropertyView {