message: sync with java In Java client, BatchOperation.java , getOrAddModifications() returns received value instead of modified
diff: @@ -171,7 +171,7 @@ export class BatchOperation {
  this._modifications.set(id, documentInfo);
  }
  - return documentInfo;
  + return modifiedDocumentInfo;
  }
  private _handleAttachmentCopy(batchResult: object): void {
  