fix #548: 'Choose exceptiosn you want the debugger to break on' windo…

…w does not have correct owner

src/AddIns/Debugger/Debugger.AddIn/Options/DebuggingOptionsPanel.xaml.cs

@@ -28,6 +28,7 @@
 using System.Windows.Media;
 
 using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop;
 using ICSharpCode.SharpDevelop.Gui;
 using ICSharpCode.SharpDevelop.Services;
 
@@ -60,13 +61,14 @@ public override void LoadOptions()
 			exceptionFilterList = DebuggingOptions.Instance.ExceptionFilterList.ToList();
 
 			if (exceptionFilterList.Count == 0) {
-				exceptionFilterList.Add(new ExceptionFilterEntry("*"));
+				exceptionFilterList.Add(new ExceptionFilterEntry("System.Exception"));
 			}
 		}
 
 		void ChooseExceptionsClick(object sender, RoutedEventArgs e)
 		{
 			var dialog = new ChooseExceptionsDialog(exceptionFilterList);
+			dialog.Owner = SD.Workbench.MainWindow;
 			if (dialog.ShowDialog() == true) {
 				exceptionFilterList = dialog.ExceptionFilterList;
 			}