feat(frameworktemplate): Improved the logging of FrameworkTemplatePool to show the actual factory lambda

Author: carldebilly

src/Uno.UI/UI/Xaml/FrameworkTemplate.cs

@@ -27,7 +27,7 @@ namespace Windows.UI.Xaml
 
 	public partial class FrameworkTemplate : DependencyObject
 	{
-		private readonly FrameworkTemplateBuilder? _viewFactory;
+		internal readonly FrameworkTemplateBuilder? _viewFactory;
 		private readonly int _hashCode;
 		private readonly ManagedWeakReference? _ownerRef;
 

src/Uno.UI/UI/Xaml/FrameworkTemplatePool.cs

@@ -320,10 +320,8 @@ private string GetTemplateDebugId(FrameworkTemplate? template)
 			{
 				i++;
 				var pooledTemplate = kvp.Key;
-				if (template?.Equals(pooledTemplate) ?? false)
+				if ((template?.Equals(pooledTemplate) ?? false) && template._viewFactory is { } func)
 				{
-					var func = ((Func<View>)template);
-
 					return $"{i}({func.Method.DeclaringType}.{func.Method.Name})";
 				}
 			}