[X] pass the logging helper to Template context (#17507)

- fixes #17484

src/Controls/src/Build.Tasks/SetPropertiesVisitor.cs

@@ -1614,6 +1614,7 @@ static void SetDataTemplate(IElementNode parentNode, ElementNode node, ILContext
 			{
 				Root = root,
 				XamlFilePath = parentContext.XamlFilePath,
+				LoggingHelper = parentContext.LoggingHelper,
 			};
 
 			//Instanciate nested class

src/Controls/tests/Xaml.UnitTests/Issues/Maui17484.xaml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:Microsoft.Maui.Controls.Xaml.UnitTests"
+             x:Class="Microsoft.Maui.Controls.Xaml.UnitTests.Maui17484">
+    <ContentPage.Resources>
+        <DataTemplate x:Key="Template">
+            <Image
+                Source="dotnet_bot.png"
+                AutomationProperties.Name="Cute dot net bot waving hi to you!"
+                HeightRequest="200"
+                HorizontalOptions="Center" />        
+        </DataTemplate>
+    </ContentPage.Resources>    
+</ContentPage>

src/Controls/tests/Xaml.UnitTests/Issues/Maui17484.xaml.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using Microsoft.Maui.ApplicationModel;
+using Microsoft.Maui.Controls.Core.UnitTests;
+using Microsoft.Maui.Controls.Shapes;
+using Microsoft.Maui.Devices;
+using Microsoft.Maui.Graphics;
+using NUnit.Framework;
+
+namespace Microsoft.Maui.Controls.Xaml.UnitTests;
+
+public partial class Maui17484 : ContentPage
+{
+
+	public Maui17484() => InitializeComponent();
+
+	public Maui17484(bool useCompiledXaml)
+	{
+		//this stub will be replaced at compile time
+	}
+
+	[TestFixture]
+	class Test
+	{
+		[SetUp] public void Setup() => AppInfo.SetCurrent(new MockAppInfo());
+		[TearDown] public void TearDown() => AppInfo.SetCurrent(null);
+
+		[Test]
+		public void ObsoleteinDT([Values(false, true)] bool useCompiledXaml)
+		{
+			if (useCompiledXaml)
+				Assert.DoesNotThrow(()=>MockCompiler.Compile(typeof(Maui17484)));
+			else
+				Assert.DoesNotThrow(()=>new Maui17484(useCompiledXaml));
+
+
+
+		}
+	}
+}