message: Fixed return true not propagated
diff: @@ -407,13 +407,14 @@ export class Listener {
  * @returns boolean
  */
  private accountAddedToMultiSig(transaction: Transaction, address: Address): boolean {
  + let isCosignatoryAdded = false;
  if (transaction instanceof MultisigAccountModificationTransaction) {
  transaction.modifications.forEach((_: MultisigCosignatoryModification) => {
  if (_.modificiationType === CosignatoryModificationAction.Add && _.cosignatoryPublicAccount.address.equals(address)) {
  - return true;
  + isCosignatoryAdded = true;
  }
  });
  }
  - return false;
  + return isCosignatoryAdded;
  }
  }
  