Set ExceptionHandler on HydrationContext in ApplyPropertiesVisitor.SetTemplate() (#6573)

Xamarin.Forms.Xaml/ApplyPropertiesVisitor.cs

@@ -695,7 +695,7 @@ namespace Xamarin.Forms.Xaml
 			((IDataTemplate)dt).LoadTemplate = () => {
 #pragma warning restore 0612
 				var cnode = node.Clone();
-				var context = new HydrationContext { ParentContext = Context, RootElement = Context.RootElement };
+				var context = new HydrationContext { ParentContext = Context, RootElement = Context.RootElement, ExceptionHandler = Context.ExceptionHandler };
 				cnode.Accept(new XamlNodeVisitor((n, parent) => n.Parent = parent), node.Parent); //set parents for {StaticResource}
 				cnode.Accept(new ExpandMarkupsVisitor(context), null);
 				cnode.Accept(new NamescopingVisitor(context), null);