Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
Object valueToSet = ModelUtil.copyValue( propHandle.getDefn( ),
					value );
			destination.getElement( ).setProperty( propName, valueToSet );
		}
	}
	/**
	 * Duplicates the extension identifier. The extension identifier must be set
	 * before copy other property values. If the identifier is not set first,
	 * extension property definitions cannot be found. Hence, duplicating
	 * property values cannot be right.
	 * <p>
	 * The extension identifier is:
	 * <ul>
	 * <li>EXTENSION_ID_PROP for Oda elements.
	 * <li>EXTENSION_NAME_PROP for extension elements like chart.
	 * </ul>
	 * 
	 * @param source
	 *            handle of the source element
	 * @param destination
	 *            handle of the destination element
	 */
	private static void duplicateExtensionIdentifier(
			DesignElementHandle source, DesignElementHandle destination )
	{
		
		
		
		if ( source.getElement( ) instanceof IOdaExtendableElementModel )
		{