Improve shared MAUI controls and tests

SacsMobileMauiTestHost/Platforms/MacCatalyst/Program.cs

@@ -0,0 +1,15 @@
+using ObjCRuntime;
+using UIKit;
+
+namespace SacsMobileMauiTestHost;
+
+public class Program
+{
+	// This is the main entry point of the application.
+	static void Main(string[] args)
+	{
+		// if you want to use a different Application Delegate class from "AppDelegate"
+		// you can specify it here.
+		UIApplication.Main(args, null, typeof(AppDelegate));
+	}
+}