增加保温层和整理管线的功能，修复自动保存功能等修复多个bug

WpfApp/MainWindow.xaml

@@ -9,7 +9,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
     Title="MainWindow"
-    Width="1000"
+    Width="1200"
     Height="800"
     d:DataContext="{d:DesignInstance Type=local:MainViewModel}"
     ui:Design.Background="#252525"
@@ -148,7 +148,10 @@
                     <Style BasedOn="{StaticResource DefaultMultiTreeViewItemStyle}" TargetType="ex:MultiTreeViewItem" />
                 </ex:MultiTreeView.ItemContainerStyle>-->
             </ex:MultiTreeView>
-            <ex:CheckComboBox ItemsSource="{Binding Animals}" />
+            <ex:CheckComboBox
+                DisplayMemberPath="GradeLevel"
+                ItemsSource="{Binding Grades}"
+                SelectedObjList="{Binding SelectedItems, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
             <Button Command="{Binding ButtonClickCommand}" Content="显示Snackbar" />
             <!--<Border Height="8" CornerRadius="4">s
                 <Border.Background>
@@ -158,7 +161,16 @@
                     </LinearGradientBrush>
                 </Border.Background>
             </Border>-->
+            <!--<ex:TreeComboBox
+                Width="315"
+                MinHeight="30"
+                Padding="5"
+                ItemsSource="{Binding Items}" />-->
         </ex:AutoGrid>
-        <ui:SnackbarPresenter x:Name="SnackbarPresenter" DockPanel.Dock="Bottom" />
+        <ui:SnackbarPresenter
+            x:Name="SnackbarPresenter"
+            VerticalAlignment="Bottom"
+            DockPanel.Dock="Bottom" />
+
     </Grid>
 </ex:FluentWindowEx>