Fix: Add new top-level types to drainCityModel()

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/parser/CityGmlParser.java

@@ -759,6 +759,9 @@ public class CityGmlParser {
         drainCityObjectList(model.getLand(), cityObjectConsumer);
         drainCityObjectList(model.getTransportation(), cityObjectConsumer);
         drainCityObjectList(model.getWater(), cityObjectConsumer);
+        drainCityObjectList(model.getTunnels(), cityObjectConsumer);
+        drainCityObjectList(model.getCityFurniture(), cityObjectConsumer);
+        drainCityObjectList(model.getGenericCityObjects(), cityObjectConsumer);
     }
 
     private static void drainCityObjectList(List<? extends CityObject> objects, CityGmlConsumer cityObjectConsumer) {