when saving model in cache project is also processed

it can have impact on performance...

service/src/main/java/lcsb/mapviewer/services/impl/ModelService.java

@@ -174,6 +174,10 @@ public class ModelService implements IModelService {
 				// this is a trick to load all required subelements of the model... ;/
 				// lets copy model - it will access all elements...
 				new CopyCommand(model).execute();
+				
+				for (ModelData m: model.getProject().getModels()) {
+					new CopyCommand(m.getModel()).execute();
+				}
 
 				logger.debug("Model loaded successfullly");
 				models.put(projectName, model);