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
}
	/**
	 * Calculates the difference in size between the given
	 * page and the page container. A larger page results 
	 * in a positive delta.
	 *
	 * @param page the page
	 * @return the size difference encoded
	 *   as a <code>new Point(deltaWidth,deltaHeight)</code>
	 */
	private Point calculatePageSizeDelta(IWizardPage page) {
		Control pageControl = page.getControl();
		if (pageControl == null)
			
			return new Point(0, 0);
		Point contentSize =
			pageControl.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
		Rectangle rect = pageContainerLayout.getClientArea(pageContainer);
		Point containerSize = new Point(rect.width, rect.height);
		return new Point(
			Math.max(0, contentSize.x - containerSize.x),
			Math.max(0, contentSize.y - containerSize.y));
	}
	/* (non-Javadoc)
	 * Method declared on Dialog.
	 */
	protected void cancelPressed() {
		if (activeRunningOperations <= 0) {