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/src/org/eclipse/birt/report/model/metadata/PeerExtensionLoader.java
if ( choiceList.size( ) > 0 )
					{
						Choice[] choices = new Choice[choiceList.size( )];
						choiceList.toArray( choices );
						ChoiceSet choiceSet = new ChoiceSet( );
						choiceSet.setChoices( choices );
						extPropDefn.setDetails( choiceSet );
					}
					else if ( !StringUtil.isBlank( detailType ) )
					{
						extPropDefn.setDetails( dd.getChoiceSet( detailType ) );
					}
					break;
				case IPropertyType.STRUCT_TYPE :
					boolean isList = getBooleanAttrib( propTag, IS_LIST_ATTRIB,
							false );
					extPropDefn.setIsList( isList );
					extPropDefn.setDetails( detailType );
					break;
				case IPropertyType.ELEMENT_REF_TYPE :
					extPropDefn.setDetails( detailType );
					break;
				case IPropertyType.ELEMENT_TYPE :
				case IPropertyType.CONTENT_ELEMENT_TYPE :
					isList = getBooleanAttrib( propTag, IS_LIST_ATTRIB, false );
					extPropDefn.setIsList( isList );
					extPropDefn.setDetails( elementTypes );
					break;
			}