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 ( allowedSubPropertyTypes != null
					&& !allowedSubPropertyTypes.isEmpty( ) )
				return allowedSubPropertyTypes;
			allowedSubPropertyTypes = new ArrayList( );
			Iterator iter = MetaDataDictionary.getInstance( )
					.getPropertyTypes( ).iterator( );
			while ( iter.hasNext( ) )
			{
				PropertyType propType = (PropertyType) iter.next( );
				int type = propType.getTypeCode( );
				switch ( type )
				{
					case IPropertyType.STRING_TYPE :
					case IPropertyType.BOOLEAN_TYPE :
					case IPropertyType.DATE_TIME_TYPE :
					case IPropertyType.FLOAT_TYPE :
					case IPropertyType.INTEGER_TYPE :
					case IPropertyType.EXPRESSION_TYPE :
						allowedSubPropertyTypes.add( propType );
						break;
					default :
						break;
				}
			}
			return allowedSubPropertyTypes;
		}
	}
	/**
	 * Generates a property with the given method info.