Add debug logs to reloadUsername in auth.service for improved error and data tracking

frontend/src/app/services/auth.service.ts

@@ -47,11 +47,14 @@ export class AuthService {
   }
 
   private reloadUsername() {
+    console.log("Reloading username");
     this.loginService.getUsername().pipe(
       tap(username => {
+        console.log("Username: ", username);
         this._username.set(username.username);
       }),
       catchError(error => {
+        console.log("Error: ", error);
         return throwError(() => error);
       })
     )