Bug 123368 [SPM-Linux WS]Height of item area can't revert
Details: Height of item area can't revert Setp: 1.Insert a label and input some words. 2.Modify the label size to 10cm. 3.Undo that or set it to 10point. Actual result: 10cm is bigger than 10point, when I undo it, words is revert to 10point, but the area of the label can't revert.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/figures/LabelFigure.java
private TextFlow label;
	private FlowPage flowPage;
	private String display;
	private Dimension recommendSize;
	/**
	 * Creates a new LabelFigure with a default MarginBorder size 3 and a
	 * FlowPage containing a TextFlow with the style WORD_WRAP_SOFT.
	 */
	public LabelFigure( )
	{
		this( 1 );
	}
	/**
	 * Creates a new LabelFigure with a MarginBorder that is the given size and
	 * a FlowPage containing a TextFlow with the style WORD_WRAP_HARD.
	 * 
	 * @param borderSize
	 *            the size of the MarginBorder
	 */
	public LabelFigure( int borderSize )
	{
		setBorder( new MarginBorder( borderSize ) );
		label = new TextFlow( ) {
			public void postValidate( )
			{
				if ( DesignChoiceConstants.DISPLAY_BLOCK.equals( display )
						|| DesignChoiceConstants.DISPLAY_INLINE.equals( display ) )
				{
					List list = getFragments( );
					FlowBox box;