Use a specification to reference DataDictionaries from CAs
- Add the specification to the MM.
- Add the corresp. factory method.
- Adjust the CA compositor to add the DD reference if such an element is present.
- Add a listener to react to added DataDictionaries.
- Add a migrator.
Issue-Ref: 3713 Issue-Url: https://af3-developer.fortiss.org/issues/3713 Signed-off-by: Alexander Diewald diewald@fortiss.org