Bug 47150 [Progress] ProgressMonitorJobsDialog used on shutdown
build I20031119-2030 On shutdown, a ProgressMonitorJobsDialog is used when saving the workspace. This is opened with fork=false and cancelable=false. fork=false means the UI is not processing events, so the Jobs button is unresponsive.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
* @see org.eclipse.ui.application.WorkbenchAdvisor#postShutdown
	 */
	public void postShutdown() {
		if (activityHelper != null) {
			activityHelper.shutdown();
			activityHelper = null;
		}
		if (IDEWorkbenchPlugin.getPluginWorkspace() != null) {
			disconnectFromWorkspace();
		}
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.application.WorkbenchAdvisor#eventLoopException
	 */
	public void eventLoopException(Throwable exception) {
		super.eventLoopException(exception);
		if (exceptionHandler != null) {
			exceptionHandler.handleException(exception);
		} else {
			if (configurer != null) {
				configurer.emergencyClose();
			}
		}
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.application.WorkbenchAdvisor#preWindowShellClose
	 */
	public boolean preWindowShellClose(IWorkbenchWindowConfigurer windowConfigurer) {
		if (configurer.getWorkbench().getWorkbenchWindowCount() > 1) {
			return true;