[Settings > New+ page] Fix enabled state of template backup info bar (#35235)

Update NewPlusPage.xaml

src/settings-ui/Settings.UI/SettingsXAML/Views/NewPlusPage.xaml

@@ -60,9 +60,9 @@
 
                     <InfoBar
                         x:Uid="NewPlus_TemplatesNotBackupAndRestoreWarning"
-                        IsClosable="True"
-                        IsOpen="True"
-                        IsTabStop="True"
+                        IsClosable="False"
+                        IsOpen="{x:Bind ViewModel.IsEnabled, Mode=OneWay}"
+                        IsTabStop="{x:Bind ViewModel.IsEnabled, Mode=OneWay}"
                         Severity="Informational" />
 
                 </controls:SettingsGroup>