**Describe the unexpected behaviour**
On connection with server having self-signed certificate warning message and acceptance request issued twice.

**How to reproduce**
Provide server with self-signed certificate and make a secure connection.

**Expected behavior**
Only one warning message and acceptance request should be issued.

**Error message and/or stacktrace**
```
ubuntu@ip-172-31-42-195:~/ClickHouse-comb/build_debug/programs$ ./clickhouse-client -s --port 9541
ClickHouse client version 22.9.1.1.
Connecting to localhost:9541 as user default.

WARNING: Certificate verification failed
----------------------------------------
Issuer Name:  /CN=another
Subject Name: /CN=another

The certificate yielded the error: self signed certificate

The error occurred in the certificate chain at position 0
Accept the certificate (y,n)? y
Connected to ClickHouse server version 22.9.1 revision 54460.

Warnings:
 * Server was built in debug mode. It will work slowly.

ip-172-31-42-195.us-east-2.compute.internal :)
WARNING: Certificate verification failed
----------------------------------------
Issuer Name:  /CN=another
Subject Name: /CN=another

The certificate yielded the error: self signed certificate

The error occurred in the certificate chain at position 0
Accept the certificate (y,n)?
```
fmt::print(stderr, "\n");
        }
        else
        {
            fmt::print(stderr, "(query: {})\n", query);
        }
    }
    
    
    assert(have_error == (client_exception || server_exception));
}
void Client::showWarnings()
{
    try
    {
        std::vector<String> messages = loadWarningMessages();
        if (!messages.empty())
        {
            std::cout << "Warnings:" << std::endl;
            for (const auto & message : messages)
                std::cout << " * " << message << std::endl;
            std::cout << std::endl;
        }
    }
    catch (...)
    {
        
    }
}
std::vector<String> Client::loadWarningMessages()