Fix #2052: resolve XML namespaces of properties

ILSpy.BamlDecompiler.Tests/BamlTestRunner.cs

@@ -136,6 +136,12 @@ namespace ILSpy.BamlDecompiler.Tests
 			RunTest("cases/issue1547");
 		}
 
+		[Test]
+		public void Issue2052()
+		{
+			RunTest("cases/issue2052");
+		}
+
 		[Test]
 		public void Issue2097()
 		{

ILSpy.BamlDecompiler.Tests/Cases/Issue2052.xaml

@@ -0,0 +1,3 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+	<Grid x:Key="grid" x:XmlAttributeProperties.XmlSpace="preserve" />
+</ResourceDictionary>

ILSpy.BamlDecompiler.Tests/ILSpy.BamlDecompiler.Tests.csproj

@@ -89,6 +89,9 @@
     <Page Include="Cases\Issue1547.xaml">
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Cases\Issue2052.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Cases\Issue2097.xaml">
       <Generator>MSBuild:Compile</Generator>
     </Page>

ILSpy.BamlDecompiler/Handlers/Records/PropertyHandler.cs

@@ -38,6 +38,7 @@ namespace ILSpy.BamlDecompiler.Handlers
 			var elemType = parent.Xaml.Element.Annotation<XamlType>();
 			var xamlProp = ctx.ResolveProperty(record.AttributeId);
 			var value = XamlUtils.Escape(record.Value);
+			xamlProp.DeclaringType.ResolveNamespace(parent.Xaml, ctx);
 
 			parent.Xaml.Element.Add(ConstructXAttribute());