[ACA-2948] Add API to fetch the bpm properties (#5610)

* Add the api to fetch the bpm properties

* remove useless map

* Use latest api

* Use the BehaviorSubject

* filter the status true

lib/core/mock/alfresco-api.service.mock.ts

@@ -34,7 +34,7 @@ export class AlfrescoApiServiceMock extends AlfrescoApiService {
 
     initialize(): Promise<any> {
         return new Promise((resolve) => {
-            this.alfrescoApiInitializedSubject.next();
+            this.alfrescoApiInitializedSubject.next(true);
             resolve();
         });
     }