fix bug in "Pause on handled exception": Exception filter was not rebuilt after ignoring an exception from DebuggeeExceptionForm

src/AddIns/Debugger/Debugger.AddIn/Service/DebuggeeExceptionForm.cs

@@ -111,6 +111,7 @@ namespace ICSharpCode.SharpDevelop.Services
 					entry.IsActive = false;
 				}
 				process.Debugger.Options.ExceptionFilterList = list;
+				process.Debugger.ReloadOptions();
 			}
 			base.OnClosing(e);
 		}

src/AddIns/Debugger/Debugger.Core/ManagedCallback.cs

@@ -141,6 +141,11 @@ namespace Debugger
 			isInCallback = false;
 		}
 		
+		public void ReloadOptions()
+		{
+			exceptionFilter = null;
+		}
+		
 		#region Program folow control
 		
 		public void StepComplete(ICorDebugAppDomain pAppDomain, ICorDebugThread pThread, ICorDebugStepper pStepper, CorDebugStepReason reason)

src/AddIns/Debugger/Debugger.Core/NDebugger.cs

@@ -303,6 +303,8 @@ namespace Debugger
 				if (!isPaused)
 					process.Break();
 				
+				process.CallbackInterface.ReloadOptions();
+
 				// We need to be paused for this
 				foreach(Module module in process.Modules) {
 					module.LoadSymbolsFromDisk(this.Options.SymbolsSearchPaths);