message: fix linting error and add whitespaces
diff: @@ -101,7 +101,7 @@ export class CourseEditComponent implements OnInit {
  }, (error) => {
  this.showProgress.toggleLoadingGlobal(false);
  const errormessage = JSON.parse(error._body).message;
  - this.snackBar.open('Saving failed' + errormessage, 'Dismiss');
  + this.snackBar.open('Saving course failed ' + errormessage, 'Dismiss');
  console.log(error);
  });
  }
  