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
/**
	 * Update the message line with the page's description.
	 * <p>
	 * A discription is shown only if there is no message or error message.
	 * </p>
	 */
	private void updateDescriptionMessage() {
		pageDescription = currentPage.getDescription();
		if (pageMessage == null)
			setMessage(currentPage.getDescription());
	}
	/* (non-Javadoc)
	 * Method declared on IWizardContainer.
	 */
	public void updateMessage() {
		if (getTitleArea() == null)
			return;
		pageMessage = currentPage.getMessage();
		if (pageMessage != null && currentPage instanceof IMessageProvider)
			pageMessageType = ((IMessageProvider) currentPage).getMessageType();
		else
			pageMessageType = IMessageProvider.NONE;
		if (pageMessage == null)
			setMessage(pageDescription);
		else
			setMessage(pageMessage, pageMessageType);
		setErrorMessage(currentPage.getErrorMessage());
	}
	/**
	 * Changes the shell size to the given size, ensuring that