Bug 159930 [Dialogs] Remove the ControlAnimator from the Preferences and TitleArea dialog
M2 We have decided to remove the control animations. We are also going to remove the background colors from the error message and keep them as the same as the plain message background.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
* this it saves the first one.
	 */
	protected void selectSavedItem() {
		IPreferenceNode node = findNodeMatching(getSelectedNodePreference());
		if (node == null) {
			IPreferenceNode[] nodes = preferenceManager.getRoot().getSubNodes();
			if (nodes.length > 0) {
				node = nodes[0];
			}
		}
		if (node != null) {
			getTreeViewer().setSelection(new StructuredSelection(node), true);
			
			getTreeViewer().getControl().setFocus();
		}
	}
	/**
	 * Display the given error message. The currently displayed message is saved
	 * and will be redisplayed when the error message is set to
	 * <code>null</code>.
	 * 
	 * @param newErrorMessage
	 *            the errorMessage to display or <code>null</code>
	 */
	public void setErrorMessage(String newErrorMessage) {
		if (newErrorMessage == null) {
			messageArea.clearErrorMessage();
		} else {
			messageArea.updateText(newErrorMessage, IMessageProvider.ERROR);
		}