fix: background fetch crashing android app

src/app/app.component.ts

@@ -104,6 +104,7 @@ export class AppComponent implements AfterContentInit {
           color: getComputedStyle(document.documentElement)
             .getPropertyValue('--ion-background-color')
             .trim(),
+          darkButtons: true,
         });
       }
       await this.authNotificationsInit();