In some cases '$redirect' rules are blocked by CORS policy

It seems that `$redirect` rules sometimes are blocked by CORS policy.

### Issue Details

- **AdGuard version:**
- AdGuard v3.2.1
- **Browser and version:**
- Chrome 76.0.3809.132
- **Operating system and version:**
- Windows 10
- **Filters you use in AdGuard:**
- AdGuard Base
- **Stealth Mode settings:**
-
- **Other browser extensions:**
-

### Steps to reproduce
1. Enable AdGuard Base filter and add these rules to user filter:
`@@||dcs.redcdn.pl/*-Adserver/*.mp4$xmlhttprequest,domain=player.pl`
`||dcs.redcdn.pl/*-Adserver/*.mp4$media,mp4,domain=player.pl`
2. Go here - https://player.pl/programy-online/milionerzy-odcinki,5045
**Website probably requires Polish IP**

### Expected Behavior
`$redirect` rule should works.

### Actual Behavior
`$redirect` rule is blocked by CORS policy.

### Screenshots

Screenshot: