message: Fixed exit code on error in the 'spo site add' command solving
diff: @@ -180,7 +180,8 @@ class SiteAddCommand extends SpoCommand {
  cmd.log(res.SiteUrl);
  }
  else {
  - cmd.log(new CommandError('An error has occurred while creating the site'));
  + cb(new CommandError('An error has occurred while creating the site'));
  + return;
  }
  }
  cb();
  