Bug 64872 [Progress] Progress reporting in wizard dialog doesn't use dialog font
RC1 - change dialog font - open a new wizard (for example new Java project) - create one observer: progress reporting (the task name....) doesn't use the dialog font.
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
* @param w the control, or <code>null</code> if none
	 * @param h the map (key type: <code>String</code>, element type:
	 *   <code>Boolean</code>)
	 * @param key the key
	 * @param enabled <code>true</code> to enable the control, 
	 *   and <code>false</code> to disable it
	 * @see #restoreEnableState(Control, Map, String)
	 */
	private void saveEnableStateAndSet(Control w, Map h, String key, boolean enabled) {
		if (w != null) {
			h.put(key, new Boolean(w.getEnabled()));
			w.setEnabled(enabled);
		}
	}
	/**
	 * Captures and returns the enabled/disabled state of the wizard dialog's
	 * buttons and the tree of controls for the currently showing page. All
	 * these controls are disabled in the process, with the possible excepton of
	 * the Cancel button.
	 *
	 * @param keepCancelEnabled <code>true</code> if the Cancel button should
	 *   remain enabled, and <code>false</code> if it should be disabled
	 * @return a map containing the saved state suitable for restoring later
	 *   with <code>restoreUIState</code>
	 * @see #restoreUIState
	 */
	private Map saveUIState(boolean keepCancelEnabled) {
		Map savedState = new HashMap(10);
		saveEnableStateAndSet(backButton, savedState, "back", false); 
		saveEnableStateAndSet(nextButton, savedState, "next", false);