message: fix small bug in product review edit
diff: @@ -12,6 +12,7 @@ import { MatSnackBar } from '@angular/material/snack-bar'
  import { dom, library } from '@fortawesome/fontawesome-svg-core'
  import { faArrowCircleLeft, faPaperPlane } from '@fortawesome/free-solid-svg-icons'
  import { Review } from '../Models/review.model'
  +import { SnackBarHelperService } from '../Services/snack-bar-helper.service'
  library.add(faPaperPlane, faArrowCircleLeft)
  dom.watch()
  @@ -27,7 +28,7 @@ export class ProductReviewEditComponent implements OnInit {
  public error: string | null = null
  constructor (@Inject(MAT_DIALOG_DATA) public data: { reviewData: Review }, private productReviewService: ProductReviewService, private dialogRef: MatDialogRef<ProductReviewEditComponent>,
  - private snackBar: MatSnackBar) { }
  + private snackBar: MatSnackBar, private snackBarHelperService: SnackBarHelperService) { }
  ngOnInit () {
  this.editReviewControl.setValue(this.data.reviewData.message)
  @@ -40,12 +41,6 @@ export class ProductReviewEditComponent implements OnInit {
  console.log(err)
  this.error = err
  })
  - this.openSnackBar('CONFIRM_CHANGES_SAVED', 'Ok')
  - }
  -
  - openSnackBar (message: string, action: string) {
  - this.snackBar.open(message, action, {
  - duration: 5000
  - })
  + this.snackBarHelperService.open('CONFIRM_CHANGES_SAVED')
  }
  }
  