Your SSL certificate is about to expire, Not...

### Prerequisites

Please answer the following questions for yourself before submitting an issue. **YOU MAY DELETE THE PREREQUISITES SECTION.**

- [X] I am running the latest version
- [X] I checked the documentation and found no answer
- [X] I checked to make sure that this issue has not already been filed

### Issue Details

* **Version of AdGuard Home server:**
v0.104.3
* **How did you setup DNS configuration:**
DHCP assignment from router
* **If it's a router or IoT, please write device model:**
Raspberry Pi 3 Model B
* **Operating system and version:**
Debian 10

### Expected Behavior
I don't expect to see an expiry message in January when my cert expires in April

### Actual Behavior
I see the warning message 'Your SSL certificate is about to expire. Update Encryption settings.'
Its the 7th January 2021, and my SSL certificate expires 2021-04-06 06:39:05

### Screenshots

Screenshot:

### Additional Information