refresh OB on save, and added comment

Author: maxijabase

UI/Components/EditorElement/EditorElement.xaml.cs

@@ -903,6 +903,7 @@ public void Save(bool force = false)
                 {
                     using var fs = new FileStream(_FullFilePath, FileMode.Create, FileAccess.Write, FileShare.None);
                     editor.Save(fs);
+                    Program.MainWindow.RefreshObjectBrowser();
                 }
                 catch (Exception e)
                 {

UI/MainWindow/MainWindowObjectBrowser.cs

@@ -285,7 +285,7 @@ private void BtRefreshDir_Click(object sender, RoutedEventArgs e)
         /// <summary>
         /// Refreshes the object browser's items, remembering folding states.
         /// </summary>
-        private void RefreshObjectBrowser()
+        public void RefreshObjectBrowser()
         {
             // Delete context menu to prevent performing actions on potentially null elements
             ObjectBrowser.ContextMenu = null;
@@ -719,6 +719,9 @@ private static TreeViewItem VisualUpwardSearch(DependencyObject source)
             return source as TreeViewItem;
         }
 
+        /// <summary>
+        /// Disables the File tab button of the Object Browser if there's no file opened in the editor.
+        /// </summary>
         public void UpdateOBFileButton()
         {
             if (GetAllEditorElements() == null)