Review only: yaml parser should allow to append to existing data model

Summary

The YAML parser should allow to append the YAML model to an existing data model.

Possible fixes

See MR !76 (merged)

mentioned in merge request !76 (merged)

assigned to @salexan

assigned to @daniel

added EnhancementProposed StatusReview labels

changed iteration to Sprint Aug 21, 2023 - Sep 3, 2023

closed

added EnhancementAccepted label and removed EnhancementProposed StatusReview labels

changed title from yaml parser should allow to append to existing data model to Review only: yaml parser should allow to append to existing data model