Fix for deletion of selected items from context menu

Author: PaulNonatomic

Editor/StateGraph/StateGraphContextMenu.cs

@@ -43,7 +43,7 @@ private void BuildContextMenu(ContextualMenuPopulateEvent evt)
 
 		private void BuildNodeContext(ContextualMenuPopulateEvent evt, NodeView nodeView)
 		{
-			evt.menu.AppendAction("Delete", action 
+			evt.menu.AppendAction( "Delete", action 
 				=> OnDeleteStateNode?.Invoke(nodeView));
 
 			if (_graphView.selection.Count > 0)

Editor/StateGraph/StateNodeGraphStateManager.cs

@@ -1,6 +1,5 @@
 using System.Linq;
 using Nonatomic.VSM2.Editor.NodeGraph;
-using Nonatomic.VSM2.Editor.Persistence;
 using Nonatomic.VSM2.StateGraph;
 using UnityEditor;
 using UnityEngine;

Editor/StateGraph/VisualElements/StateGraphView.cs

@@ -278,15 +278,8 @@ private void HandlePasteSelected()
 		private void HandleDeleteSelection()
 		{
 			if (GuardUtils.GuardAgainstRuntimeOperation()) return;
-
-			for (var index = this.selection.Count - 1; index >= 0; index--)
-			{
-				var item = this.selection[index];
-				if (item is VisualElement element)
-				{
-					element.RemoveFromHierarchy();
-				}
-			}
+			
+			DeleteSelection();
 		}
 
 		private void HandleDeleteStateNode(NodeView nodeView)