Fix Office 2016 visibility with ScrollViewer, bump to v1.21

Version page now scrollable to fit all 4 Office versions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

InstaSoftOfficeTool.csproj

@@ -9,9 +9,9 @@
     <Company>InstaSoft Zrt.</Company>
     <Product>InstaSoft Office Tool</Product>
     <Copyright>Copyright (c) InstaSoft Zrt. 2026</Copyright>
-    <Version>1.20</Version>
-    <AssemblyVersion>1.20.0.0</AssemblyVersion>
-    <FileVersion>1.20.0.0</FileVersion>
+    <Version>1.21</Version>
+    <AssemblyVersion>1.21.0.0</AssemblyVersion>
+    <FileVersion>1.21.0.0</FileVersion>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>

MainWindow.xaml

@@ -45,7 +45,7 @@
                                    Foreground="{StaticResource TextSecondaryBrush}" Margin="0,-2,0,0"/>
                     </StackPanel>
                 </StackPanel>
-                <TextBlock Text="v1.20" HorizontalAlignment="Right" VerticalAlignment="Center"
+                <TextBlock Text="v1.21" HorizontalAlignment="Right" VerticalAlignment="Center"
                            FontSize="12" Foreground="{StaticResource TextSecondaryBrush}"/>
             </Grid>
         </Border>

Pages/VersionPage.xaml

@@ -15,7 +15,8 @@
                        Foreground="{StaticResource TextSecondaryBrush}" Margin="0,4,0,0"/>
         </StackPanel>
 
-        <StackPanel Grid.Row="1" VerticalAlignment="Top">
+        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled">
+        <StackPanel VerticalAlignment="Top">
             <RadioButton x:Name="Rb2024" Style="{StaticResource CardRadioButton}"
                          GroupName="Version" IsChecked="True" Margin="0,0,0,10">
                 <StackPanel Margin="8,2">
@@ -52,5 +53,6 @@
                 </StackPanel>
             </RadioButton>
         </StackPanel>
+        </ScrollViewer>
     </Grid>
 </Page>