Fixed the issue that crash when close.

src/Editor/Ghost.Editor/View/Controls/Docking/DockGroup.xaml

@@ -8,12 +8,13 @@
             <Setter.Value>
                 <ControlTemplate TargetType="local:DockGroup">
                     <Grid>
-                        <TabView x:Name="PART_TabView" 
-                                 IsAddTabButtonVisible="False"
-                                 CanDragTabs="True"
-                                 CanReorderTabs="False"
-                                 AllowDrop="True">
-                        </TabView>
+                        <TabView
+                            x:Name="PART_TabView"
+                            VerticalAlignment="Stretch"
+                            AllowDrop="True"
+                            CanDragTabs="True"
+                            CanReorderTabs="False"
+                            IsAddTabButtonVisible="False" />
                     </Grid>
                 </ControlTemplate>
             </Setter.Value>

src/Editor/Ghost.Editor/View/Controls/ProjectBrowser.xaml

@@ -144,6 +144,8 @@
                     DoubleTapped="PART_FilesView_DoubleTapped"
                     IsDoubleTapEnabled="True"
                     ItemsSource="{x:Bind ViewModel.Files, Mode=OneWay}"
+                    ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+                    ScrollViewer.HorizontalScrollMode="Disabled"
                     SelectionChanged="PART_FilesView_SelectionChanged"
                     SelectionMode="Single">
                     <ItemsView.ItemTemplate>

src/Editor/Ghost.Editor/View/Windows/BlankWindow1.xaml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<Window
+    x:Class="Ghost.Editor.View.Windows.BlankWindow1"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="using:Ghost.Editor.View.Windows"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    Title="BlankWindow1"
+    mc:Ignorable="d">
+
+    <Window.SystemBackdrop>
+        <MicaBackdrop />
+    </Window.SystemBackdrop>
+
+    <Grid />
+</Window>

src/Editor/Ghost.Editor/View/Windows/BlankWindow1.xaml.cs

@@ -0,0 +1,29 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace Ghost.Editor.View.Windows;
+/// <summary>
+/// An empty window that can be used on its own or navigated to within a Frame.
+/// </summary>
+public sealed partial class BlankWindow1 : Window
+{
+    public BlankWindow1()
+    {
+        InitializeComponent();
+    }
+}

src/Editor/Ghost.Editor/View/Windows/EngineEditorWindow.xaml

@@ -64,8 +64,12 @@
             </ctc:TabbedCommandBar>
         </Grid>
 
+        <Grid xmlns:dock="using:Ghost.Editor.View.Controls.Docking" Grid.Row="2">
+            <dock:DockingLayout x:Name="MainDockingLayout" />
+        </Grid>
+
         <!--  Editor  -->
-        <Grid Grid.Row="2">
+        <!--<Grid Grid.Row="2">
             <Grid.RowDefinitions>
                 <RowDefinition Height="*" />
                 <RowDefinition Height="Auto" />
@@ -134,7 +138,7 @@
                     </TabViewItem>
                 </ghost:NavigationTabView.TabItems>
             </ghost:NavigationTabView>
-        </Grid>
+        </Grid>-->
 
         <!--  Status Bar  -->
         <Grid