Merge pull request DSpace#4550 from lareferencia/fix-back-button-navigation-community-collection

fix back button navigation after visiting a community or collection page

Author: tdonohue

src/app/shared/comcol/comcol-page-browse-by/comcol-page-browse-by.component.ts

@@ -147,7 +147,7 @@ export class ComcolPageBrowseByComponent implements OnDestroy, OnInit {
     ]).subscribe(([navOptions, url]: [ComColPageNavOption[], string]) => {
       for (const option of navOptions) {
         if (url?.split('?')[0] === comColRoute && option.id === this.appConfig[this.contentType].defaultBrowseTab) {
-          void this.router.navigate([option.routerLink], { queryParams: option.params });
+          void this.router.navigate([option.routerLink], { queryParams: option.params, replaceUrl: true  });
           break;
         } else if (option.routerLink === url?.split('?')[0]) {
           this.currentOption$.next(option);