6071 return only updated fields of records in zapier update trigger (#8193)

- move webhook triggers into `entity-events-to-db.listener.ts`
- refactor event management
- add a `@OnDatabaseEvent` decorator to manage database events
- add updatedFields in updated events
- update openApi webhooks docs
- update zapier integration

.github/workflows/ci-front.yaml

@@ -5,7 +5,7 @@ on:
       - main
     
   pull_request:
-    
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true