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
new String[]{name, subType},
							MetaDataException.DESIGN_EXCEPTION_UNSUPPORTED_SUB_TYPE ) );
					return null;
				}
			}
			ExtensionPropertyDefn extPropDefn = new ExtensionPropertyDefn(
					( (PeerExtensionElementDefn) elementDefn )
							.getReportItemFactory( ).getMessages( ) );
			boolean hasOwnModel = getBooleanAttrib( propTag, HAS_OWN_MODEL,
					true );
			extPropDefn.setName( name );
			extPropDefn.setDisplayNameID( displayNameID );
			extPropDefn.setType( propType );
			extPropDefn.setSubType( subPropType );
			extPropDefn.setIntrinsic( false );
			extPropDefn.setStyleProperty( false );
			extPropDefn.setDefaultDisplayName( defaultDisplayName );
			extPropDefn.setHasOwnModel( hasOwnModel );
			if ( !StringUtil.isBlank( canInherit ) )
				extPropDefn.setCanInherit( Boolean.valueOf( canInherit )
						.booleanValue( ) );
			if ( !StringUtil.isBlank( isEncrypted ) )
				extPropDefn.setIsEncryptable( Boolean.valueOf( isEncrypted )
						.booleanValue( ) );
			List choiceList = new ArrayList( );
			List elementTypes = new ArrayList( );
			IConfigurationElement[] elements = propTag.getChildren( );
			for ( int k = 0; k < elements.length; k++ )
			{
				if ( CHOICE_TAG.equalsIgnoreCase( elements[k].getName( ) ) )