Ser ProgressBar alignment to stretch

src/SimpleWavSplitter.Avalonia/MainWindow.xaml

@@ -8,7 +8,7 @@
         UseLayoutRounding="True">
     <Grid Name="layout" RowDefinitions="50,Auto,1*" ColumnDefinitions="120,1*,120,120">
         <Button Name="btnGetWavHeader" Content="Get WAV Header" Grid.Column="0" Margin="3" Grid.RowSpan="1"/>
-        <ProgressBar Name="progress" Grid.Column="1" Grid.Row="0" Grid.RowSpan="1" Margin="3" Minimum="0" Maximum="100"/>
+        <ProgressBar Name="progress" Grid.Column="1" Grid.Row="0" Grid.RowSpan="1" Margin="3" Minimum="0" Maximum="100" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"/>
         <Button Name="btnCancel" Content="Cancel" Grid.Column="2" Margin="3" Grid.RowSpan="1"/>
         <Button Name="btnSplitWavFiles" Content="Split WAV Files" Grid.Column="3" Margin="3" Grid.RowSpan="1"/>
         <TextBlock Grid.Column="0" Grid.Row="1" Margin="3" Text="output path:" HorizontalAlignment="Right" VerticalAlignment="Center"/>