enh(icon-registry.service): access modifier on load method

Co-authored-by: Stefano Borzì <stefanoborzi32@gmail.com>

Author: ChiaraZuccaro

src/app/services/icon-registry/icon-registry.service.ts

@@ -7,7 +7,7 @@ export class IconRegistryService {
   private readonly _http = inject(HttpClient);
   private readonly cache = new Map<'github' | 'linkedin', Observable<string>>();
 
-  public load(name: 'github' | 'linkedin'): Observable<string> {
+  load(name: 'github' | 'linkedin'): Observable<string> {
     if (!this.cache.has(name)) {
       const request$ = this._http.get(`/icons/${name}-icon.svg`, { responseType: 'text' }).pipe(
         map((svg) => svg.trim()),