Added text trimming to release notes name on About page

Microsoft.Toolkit.Uwp.SampleApp/Pages/About.xaml

@@ -51,7 +51,10 @@
                              NavigateUri="{x:Bind Url}"
                              Style="{StaticResource AboutHyperlinkButtonStyle}">
                 <Grid>
-                    <TextBlock Text="{x:Bind FullName}" />
+                    <TextBlock Width="150"
+                               HorizontalAlignment="Left"
+                               TextTrimming="CharacterEllipsis"
+                               Text="{x:Bind FullName}" />
                     <TextBlock HorizontalAlignment="Right"
                                Opacity="0.5"
                                Text="{x:Bind Published.ToString('MMM d', {x:Null})}" />