Disable warning using pragma instead of attribute

Author: simonrozsival

src/Controls/src/SourceGen/CodeBehindGenerator.cs

@@ -358,14 +358,9 @@ static void GenerateXamlCodeBehind(XamlProjectItem? xamlItem, Compilation compil
 
 		sb.AppendLine("\t\tprivate void InitializeComponent()");
 		sb.AppendLine("\t\t{");
-		sb.AppendLine("\t\t\t[global::System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage(\"TrimAnalysis\", \"IL2026:RequiresUnreferencedCode\",");
-		sb.AppendLine("\t\t\t\tJustification = \"By default, Xaml compilation replaces the body of InitializeComponent, so LoadFromXaml will never be called in production builds.\")]");
-		sb.AppendLine("\t\t\tvoid LoadFromXaml()");
-		sb.AppendLine("\t\t\t{");
-		sb.AppendLine($"\t\t\t\tglobal::Microsoft.Maui.Controls.Xaml.Extensions.LoadFromXaml(this, typeof({rootType}));");
-		sb.AppendLine("\t\t\t}");
-		sb.AppendLine();
-		sb.AppendLine($"\t\t\tLoadFromXaml();");
+		sb.AppendLine("#pragma warning disable IL2026 // The body of InitializeComponent will be replaced by XamlC so LoadFromXaml will never be called in production builds");
+		sb.AppendLine($"\t\t\tglobal::Microsoft.Maui.Controls.Xaml.Extensions.LoadFromXaml(this, typeof({rootType}));");
+		sb.AppendLine("#pragma warning restore IL2026");
 
 		if (namedFields != null)
 		{