message: change document referrer to location.back in reload component
diff: import { Component, OnInit } from '@angular/core';
  -import { Router } from '@angular/router';
  +import { Location } from '@angular/common';
  @Component({
  @@ -7,9 +7,9 @@ import { Router } from '@angular/router';
  template: ''
  })
  export class ReloadComponent implements OnInit {
  - constructor(private router: Router) {}
  + constructor(private location: Location) {}
  public ngOnInit(): void {
  - this.router.navigate([document.referrer]);
  + this.location.back();
  }
  }
  