**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)?
```
const CommandLineOptions & options,
                            const std::vector<Arguments> & external_tables_arguments,
                            const std::vector<Arguments> & hosts_and_ports_arguments)
{
    namespace po = boost::program_options;
    size_t number_of_external_tables_with_stdin_source = 0;
    for (size_t i = 0; i < external_tables_arguments.size(); ++i)
    {
        
        po::parsed_options parsed_tables = po::command_line_parser(external_tables_arguments[i]).options(
            options_description.external_description.value()).run();
        po::variables_map external_options;
        po::store(parsed_tables, external_options);
        try
        {
            external_tables.emplace_back(external_options);
            if (external_tables.back().file == "-")