i18n for home page.

frontend/src/app/pages/home/home.service.ts

@@ -26,8 +26,9 @@ export class HomeService {
         this.publicationRestService.getLatest()
             .then(publications => this.publicationsSubject.next(publications))
             .catch(error => {
-                this.snackBar.open('An error occurred while retrieving latest publications...');
-                console.error('An error occurred while retrieving latest publications...', error);
+                const errorMessage = $localize`An error occurred while retrieving latest publications...`;
+                this.snackBar.open(errorMessage, $localize`Close`, { duration: 5000 });
+                console.error(errorMessage, error);
             })
             .finally(() => this.isLoadingSubject.next(false));
     }