Add partial to resolve CsWinRT1028

Author: Arlodotexe

CommunityToolkit.App.Shared/Converters/StringToUriConverter.cs

@@ -6,7 +6,7 @@
 
 namespace CommunityToolkit.App.Shared.Converters;
 
-public class StringToUriConverter : IValueConverter
+public partial class StringToUriConverter : IValueConverter
 {
     public object Convert(object value, Type targetType, object parameter, string language)
     {

CommunityToolkit.App.Shared/DocOrSampleTemplateSelector.cs

@@ -14,7 +14,7 @@
 
 namespace CommunityToolkit.App.Shared;
 
-public class DocOrSampleTemplateSelector : DataTemplateSelector
+public partial class DocOrSampleTemplateSelector : DataTemplateSelector
 {
     public DataTemplate? Document { get; set; }
     public DataTemplate? Sample { get; set; }

CommunityToolkit.App.Shared/Renderers/GeneratedSampleOptionTemplateSelector.cs

@@ -9,7 +9,7 @@ namespace CommunityToolkit.App.Shared.Renderers;
 /// <summary>
 /// Selects a sample option template for the provided <see cref="IGeneratedToolkitSampleOptionViewModel"/>.
 /// </summary>
-internal class GeneratedSampleOptionTemplateSelector : DataTemplateSelector
+internal partial class GeneratedSampleOptionTemplateSelector : DataTemplateSelector
 {
     public DataTemplate? BoolOptionTemplate { get; set; }