Bug 32053 [Import/Export] Need busy cursor when loading page
M5 build - start eclipse in Resource perspective - File / Import - double-click on External Plug-ins and Fragments - it takes a while to load, but there is no busy cursor
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
*/
	private void restoreEnableState(Control w, Map h, String key) {
		if (w != null) {
			Boolean b = (Boolean) h.get(key);
			if (b != null)
				w.setEnabled(b.booleanValue());
		}
	}
	/**
	 * Restores the enabled/disabled state of the wizard dialog's
	 * buttons and the tree of controls for the currently showing page.
	 *
	 * @param state a map containing the saved state as returned by 
	 *   <code>saveUIState</code>
	 * @see #saveUIState
	 */
	private void restoreUIState(Map state) {
		restoreEnableState(backButton, state, "back"); 
		restoreEnableState(nextButton, state, "next"); 
		restoreEnableState(finishButton, state, "finish"); 
		restoreEnableState(cancelButton, state, "cancel"); 
		restoreEnableState(helpButton, state, "help"); 
		ControlEnableState pageState = (ControlEnableState) state.get("page"); 
		pageState.restore();
	}
	/* (non-Javadoc)
	 * Method declared on IRunnableContext.
	 */
	public void run(
		boolean fork,