Bug 214706 Script UID doens't work for Chart
Use chart "onRender" property handle and call ModuleUtil.getScriptUID(), it generates the id. But later use this id to get back the PropertyHandle or Script content, it fails.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
{
	/**
	 * Definition of the property.
	 */
	protected ElementPropertyDefn propDefn;
	/**
	 * Constructs the handle for a top-level property with the given element
	 * handle and property name.
	 * 
	 * @param element
	 *            a handle to a report element
	 * @param propName
	 *            the name of the property
	 */
	public PropertyHandle( DesignElementHandle element, String propName )
	{
		super( element );
		propDefn = element.getElement( ).getPropertyDefn( propName );
	}
	/**
	 * Constructs the handle for a top-level property with the given element