Fix naming convention "as" => "isp"

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

@@ -252,7 +252,7 @@ export class ApiService {
   }
 
   getNodesPerAs(): Observable<any> {
-    return this.httpClient.get<any[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/lightning/nodes/asShare');
+    return this.httpClient.get<any[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/lightning/nodes/isp');
   }
 
   getNodeForCountry$(country: string): Observable<any> {