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
import org.eclipse.birt.report.model.core.StyleElement;
import org.eclipse.birt.report.model.elements.ExtendedItem;
import org.eclipse.birt.report.model.elements.FreeForm;
import org.eclipse.birt.report.model.elements.ReportDesign;
import org.eclipse.birt.report.model.elements.ReportItem;
import org.eclipse.birt.report.model.elements.Style;
import org.eclipse.birt.report.model.elements.interfaces.IExtendedItemModel;
import org.eclipse.birt.report.model.i18n.ThreadResources;
import org.eclipse.birt.report.model.metadata.ArgumentInfoList;
import org.eclipse.birt.report.model.metadata.ColorPropertyType;
import org.eclipse.birt.report.model.metadata.ElementDefn;
import org.eclipse.birt.report.model.metadata.ElementPropertyDefn;
import org.eclipse.birt.report.model.metadata.ExtensionElementDefn;
import org.eclipse.birt.report.model.metadata.MetaDataDictionary;
import org.eclipse.birt.report.model.metadata.PeerExtensionElementDefn;
import org.eclipse.birt.report.model.metadata.PropertyDefn;
import org.eclipse.birt.report.model.metadata.PropertyType;
import org.eclipse.birt.report.model.metadata.SlotDefn;
import org.eclipse.birt.report.model.util.BaseTestCase;
import com.ibm.icu.util.ULocale;
/**
 * Tests the extension pointer of org.eclipse.birt.report.model.reportItem.
 * <p>
 * New cases should be added into PeerExtensionTest.
 */
public class ReportItemExtensionTest extends BaseTestCase
{
	String fileName = "ExtensionTest.xml"; 
	String outFileName_1 = "ExtensionTest_out_1.xml"; 
	String outFileName_2 = "ExtensionTest_out_2.xml";