wake app every 250ms instead of 500

Author: Codel1417

lib/Backend/Bluetooth/bluetooth_manager_plus.dart

@@ -251,7 +251,7 @@ class _OnConnectionStateChanged extends _$OnConnectionStateChanged {
           ),
           iosNotificationOptions: const IOSNotificationOptions(),
           foregroundTaskOptions: ForegroundTaskOptions(
-            eventAction: ForegroundTaskEventAction.repeat(500),
+            eventAction: ForegroundTaskEventAction.repeat(250),
             allowWakeLock: true,
           ),
         );