[fix:] wiki preview reloading after saving changes

MainWindow.axaml.cs

@@ -212,6 +212,11 @@ public partial class MainWindow : Window
     
 
     private async void NavTree_SelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        ReloadWikiItem();
+    }
+
+    private async void ReloadWikiItem()
     {
         if (NavTree.SelectedItem is TreeViewItem t && t.Tag is WikiItem item && !item.IsFolder)
         {
@@ -255,6 +260,8 @@ public partial class MainWindow : Window
                 ExpandAndFindNode(nodes, selectPath, out var selectedNode) &&
                 selectedNode != null)
                 NavTree.SelectedItem = selectedNode;
+            
+            ReloadWikiItem();
         }catch (Exception ex)
         {
             Logger.Log($"Error while populating nav tree: {ex.Message}", Logger.LogType.Error);
@@ -494,7 +501,13 @@ public partial class MainWindow : Window
             return;
         }
 
+        var editedWikiFilePath = _selectedWikiFilePath;
         EditorWindow ew = new(_selectedWikiFilePath);
+        ew.Closed += (_, _) =>
+        {
+            if (!string.IsNullOrWhiteSpace(editedWikiFilePath) && File.Exists(editedWikiFilePath))
+                PopulateNavTree(editedWikiFilePath, editedWikiFilePath);
+        };
         ew.Show();
 
         //await MessageBox.Show(this, "Edit feature is currently disabled.", "Edit Disabled");