Bug 188829 Move the item ,the trans of the model don't close.
1:New report design. 2:Add a Embedded image. 3:Add another imge , then drag the second imge to the first position. 4:Change the size of the first image. Expected: Image change the size. Now: Image size don't change.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentRecord.java
{
		if ( add && !undo || !add && undo )
		{
			containerInfo.add( module, content, oldPosn );
			
			
			if ( content.getRoot( ) != null )
				module.manageId( content, true );
		}
		else
		{
			
			
			if ( content.getRoot( ) != null )
				module.manageId( content, false );
			containerInfo.remove( module, content );
		}
	}
	/**
	 * Indicate whether the given <code>content</code> is a CSS-selecter.
	 * 
	 * @param content
	 *            a given design element
	 * @return <code>true</code> if it is a predefined style.
	 */
	private boolean isSelector( DesignElement content )
	{
		if ( !( content instanceof StyleElement ) )
			return false;
		return MetaDataDictionary.getInstance( ).getPredefinedStyle(