[Bug] Screen turns off while caffeinate timer is active

## Bug Report

### Description
I've granted Caffeinate all necessary permissions (battery + background optimization, notiflications and draw over other apps) but if the app isn't in foreground screen still turns off.

### Steps to Reproduce
Provide steps to reproduce the issue, including any specific settings or configurations.

1. Launch the app
2. Activate wakeclock (e.g. 5min)
3. Click home.
4. Observe the issue (screen turning off after 1 minute)

### Expected Behavior
Screen is on for 5 minutes.

### Environment Details
Provide details about the environment where this issue occurred.

- **App Version:** 2.1
- **Android Version:** Android 15
- **Device Model:** Xiaomi Redmi Note 14 4G
- **Rooted or Non-Rooted:** Non-Rooted
- **Screen Orientation:** Portrait

### Log Output
If available, include any relevant log output. Use `adb logcat` to capture logs, if possible.
Or use [LogFox](https://apt.izzysoft.de/fdroid/index/apk/com.f0x1d.logfox) to capture logs from the device.

```plaintext
Paste logs here
```