Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/extension/ReportItemExtensionTest.java
{
		createDesign( );
		SimpleMasterPageHandle masterPageHandle = designHandle
				.getElementFactory( ).newSimpleMasterPage( "master page" );
		designHandle.getMasterPages( ).add( masterPageHandle );
		ExtendedItemHandle itemHandle = (ExtendedItemHandle) designHandle
				.getElementFactory( ).newElement( TESTING_BOX_NAME, "box1" ); 
		assertFalse( masterPageHandle.canContain( masterPageHandle
				.getPageHeader( ).getSlotID( ), itemHandle ) );
	}
	/**
	 * Tests adding extended item.
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testAddExtendedItem( ) throws Exception
	{
		createDesign( );
		ExtendedItemHandle itemHandle = (ExtendedItemHandle) designHandle
				.getElementFactory( ).newElement( TESTING_BOX_NAME, "box1" ); 
		designHandle.getBody( ).add( itemHandle );
		assertEquals( TESTING_BOX_NAME, itemHandle.getDefn( ).getName( ) );
		assertEquals( TESTING_BOX_NAME, ( (ExtendedItem) itemHandle
				.getElement( ) ).getExtDefn( ).getName( ) );
		assertEquals( true, ( (ExtendedItem) itemHandle.getElement( ) )
				.getExtDefn( ).hasStyle( ) );
		
		itemHandle.setProperty( "usage", "toy" ); 
		save( );