Bug 127289 [Markers] SystemFilter and group selection state not preserved
We are not preserving the selection state of the system filters or which group is selected.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ProblemView.java
/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.MarkerView#dispose()
	 */
	public void dispose() {
		if (resolveMarkerAction != null) {
			resolveMarkerAction.dispose();
		}
		PlatformUI.getWorkbench().getActivitySupport().getActivityManager()
				.removeActivityManagerListener(activityManagerListener);
		super.dispose();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#getSortingFields()
	 */
	protected IField[] getSortingFields() {
		return new IField[] { severity, folder, resource, message, lineNumber,
				creationTime,
				
				
				id };
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#getDialogSettings()
	 */