When QUIC protocol is enabled connection is very slow

### Please answer the following questions for yourself before submitting an issue.

- [X] I checked the [knowledge base](https://adguard-vpn.com/kb/) and found no answer
- [X] I checked to make sure that this issue has not already been filed

### AdGuard VPN version

Version 2.11 Nightly 4

### Operating mode

Integration with AdGuard

### Which DNS server do you use?

Custom DNS

### DNS protocol

DNS-over-QUIC

### Custom DNS

_No response_

### Environment

```markdown
- OS: Android 14 One UI 6.1
- Device:Samsung Galaxy S24 Ultra
```

### Root access

- [ ] yes, I have it

### Issue Details

Steps to reproduce:
1. Switch AdGuard VPN Protocil to QUIC in AdGuard VPN for Android
2. Might have to wait a while before it starts to show slow connections and slow loading images
3.

### Expected Behavior

Should be fast connections when using QUIC

### Actual Behavior

Slow speeds when using QUIC protocol in adguard vpn for Android with sometimes not loading at all.

### Screenshots

_No response_

### Additional Information

_No response_