Fix update error

VERSION.txt

+2.2.5 Fix ATD update not setting createdAt.
 2.2.4 Fix ATD simulator not accepting passkey content field.
 2.2.3 Add allocation id to training run.
 2.2.2 Add createdAt to training definition. Modify TD import to drop 'uploaded' prefix.

src/main/java/cz/muni/ics/kypo/training/adaptive/facade/TrainingDefinitionFacade.java

@@ -215,6 +215,7 @@ public class TrainingDefinitionFacade {
         TrainingDefinition mappedTrainingDefinition = trainingDefinitionMapper.mapUpdateToEntity(trainingDefinitionUpdateDTO);
         TrainingDefinition trainingDefinition = trainingDefinitionService.findById(trainingDefinitionUpdateDTO.getId());
         mappedTrainingDefinition.setAuthors(new HashSet<>(trainingDefinition.getAuthors()));
+        mappedTrainingDefinition.setCreatedAt(trainingDefinition.getCreatedAt());
         trainingDefinitionService.update(mappedTrainingDefinition);
     }