Renamed ScrollViewer and changed scrollOffset to ScrollableHeight

Author: szv

src/Codebreaker.WinUI/Views/Pages/GamePage.xaml

@@ -94,7 +94,7 @@
                     ViewModel="{x:Bind ViewModel, Mode=OneWay}" />
         </StackPanel>
         <!--Move section-->
-        <ScrollViewer Grid.Row="2" Padding="0,0,0,15" x:Name="pegScrollView">
+        <ScrollViewer Grid.Row="2" Padding="0,0,0,15" x:Name="pegScrollViewer">
             <ListBox 
                 x:Name="listGameMoves"
                 Background="Transparent"

src/Codebreaker.WinUI/Views/Pages/GamePage.xaml.cs

@@ -43,7 +43,7 @@ public void Receive(GameMoveMessage message)
             });
 
         // Scroll to bottom
-        pegScrollView.UpdateLayout();
-        pegScrollView.ScrollToVerticalOffset(1000000000);
+        pegScrollViewer.UpdateLayout();
+        pegScrollViewer.ScrollToVerticalOffset(pegScrollViewer.ScrollableHeight);
     }
 }