Apply suggested fix to src/app/services/catalogs.service.ts from Copilot Autofix

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>

Author: tomaszmrugalski

src/app/services/catalogs.service.ts

@@ -38,7 +38,7 @@ export class CatalogsService {
   private http = inject(HttpClient);
   private loginService = inject(LoginService);
 
-  private baseUrl = Hevelius.apiUrl+'/catalogs';
+  private baseUrl = Hevelius.apiUrl + '/catalogs';
   private totalObjects = new BehaviorSubject<number>(0);
   private currentPage = new BehaviorSubject<number>(1);