fix: handle empty response URLs by initializing with an empty array

Front/src/app/modules/Administrador/pages/main/main.component.ts

@@ -309,7 +309,7 @@ export class ModalCircularMain {
         }
         
       });
-      this.urls = response.urls.split("||");
+      this.urls = response.urls ? response.urls.split("||") : [];
       console.log(this.urls);
       this.data = this.sanitizer.bypassSecurityTrustHtml(response.contenido);
     });