Subscription Creation: NCMP to Client CloudEvent transformation

Subscription Creation: NCMP to Client CloudEvent transformation

- Delete legacy avc subscription event and event outcome schemas
- Change subscription response and outcome sample json file contents
- Change ncmp event response code to support avc subscriptions
- Add mapper that maps cloud event to subscription event response
- Add mapper that maps subscription event outcome to cloud event
- Change subscription event response consumer to consume CloudEvents
- Change time out task to support response event instead client id and
  name
- Change subscription event response mapper to support Cloud Event
- Change subscription outcome mapper to group subscription responses as
  per details and status
- Change subscription status to have fromString functionality
- Change all unit tests to support new functionalities
- Add cps exceptions for cloud event and outcome type
- Add details field in yang model
- Change data node helper to supoort details field
- Consolidate final subscription response codes
- Fix code smells reported by SonarLint

Issue-ID: CPS-1739
Change-Id: I5eadeb8ef40d3d7befb762b5a8d2139fe3c85d7e
Signed-off-by: halil.cakal <halil.cakal@est.tech>