Add minimize button to full mixer window

Author: riverar

EarTrumpet/UI/Views/FullWindow.xaml

@@ -143,13 +143,21 @@
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="*" />
                         <ColumnDefinition Width="Auto" />
+                        <ColumnDefinition Width="Auto" />
                     </Grid.ColumnDefinitions>
                     <TextBlock Padding="12,8,12,8"
                                Text="{Binding ElementName=WindowRoot, Path=Title}"
                                TextAlignment="Left" />
+                    <Button x:Name="MinimizeButton"
+                        Grid.Column="1"
+                        Style="{StaticResource MinimizeButton}"
+                        VerticalAlignment="Center"
+                    />
                     <Button x:Name="CloseButton"
-                            Grid.Column="2"
-                            Style="{StaticResource CloseButtonStyle}" />
+                        Grid.Column="2"
+                        Style="{StaticResource CloseButtonStyle}"
+                        VerticalAlignment="Center"
+                    />
                 </Grid>
             </DockPanel>
             <Grid>