fix: layout do not updated after group was collapsed

Author: love-linger

src/Views/Repository.axaml

@@ -231,7 +231,7 @@
             </TextBox.InnerRightContent>
           </TextBox>
 
-          <Grid Grid.Row="2" x:Name="leftSidebarGroups" RowDefinitions="28,Auto,28,Auto,28,Auto,28,Auto,28,Auto">
+          <Grid Grid.Row="2" x:Name="leftSidebarGroups" Margin="0,4,0,0" RowDefinitions="28,Auto,28,Auto,28,Auto,28,Auto,28,Auto">
             <!-- Local Branches -->
             <ToggleButton Grid.Row="0" Classes="group_expander" IsChecked="{Binding IsLocalBranchGroupExpanded, Mode=TwoWay}">
               <TextBlock Classes="group_header_label" Margin="0" Text="{DynamicResource Text.Repository.LocalBranches}"/>

src/Views/Repository.axaml.cs

@@ -392,17 +392,15 @@ private void OnLeftSidebarTreeViewPropertyChanged(object sender, AvaloniaPropert
         {
             if (e.Property == TreeView.ItemsSourceProperty || e.Property == TreeView.IsVisibleProperty)
             {
-                if (sender is TreeView tree && tree.IsVisible)
-                    UpdateLeftSidebarLayout();
+                UpdateLeftSidebarLayout();
             }
         }
 
         private void OnLeftSidebarDataGridPropertyChanged(object sender, AvaloniaPropertyChangedEventArgs e)
         {
             if (e.Property == DataGrid.ItemsSourceProperty || e.Property == DataGrid.IsVisibleProperty)
             {
-                if (sender is DataGrid datagrid && datagrid.IsVisible)
-                    UpdateLeftSidebarLayout();
+                UpdateLeftSidebarLayout();
             }
         }