Connected to ClickHouse server version 21.13.1 revision 54455.

```
INSERT INTO FUNCTION s3('https://s3.us-east-1.amazonaws.com/dzhuravlev/small_file.xml.gz', 'XML', 
'number UInt64', 'gz') SELECT * FROM numbers(10);

INSERT INTO FUNCTION s3('https://s3.us-east-1.amazonaws.com/dzhuravlev/large_file.xml.gz','XML', 
'number UInt64','gz') SELECT * from numbers(1e8);

aws s3api head-object --bucket  dzhuravlev  --key small_file.xml.gz
{
    "AcceptRanges": "bytes",
    "LastModified": "Mon, 24 Jan 2022 21:28:50 GMT",
    "ContentLength": 262,
    "ETag": "\"667796620f85cd6bad6957ea01d29548\"",
    "ContentType": "binary/octet-stream",
    "Metadata": {}
}

aws s3api head-object --bucket  dzhuravlev --key large_file.xml.gz
{
    "AcceptRanges": "bytes",
    "LastModified": "Mon, 24 Jan 2022 21:29:08 GMT",
    "ContentLength": 261909920,
    "ETag": "\"829dbc9697bcffd1528e8e6f55c564f4-8\"",
    "ContentType": "application/xml",                      ---<<<<<<<<<<<-- expected "ContentType": "binary/octet-stream",
    "Metadata": {}
}
```

So it seems that if the object size is bigger than 32MB then Clickhouse sets the wrong ContentType `application/xml` instead of `binary/octet-stream`.

{
    if (total_parts_uploaded != 0 && total_parts_uploaded % upload_part_size_multiply_threshold == 0)
        upload_part_size *= upload_part_size_multiply_factor;
    temporary_buffer = Aws::MakeShared<Aws::StringStream>("temporary buffer");
    temporary_buffer->exceptions(std::ios::badbit);
    last_part_size = 0;
}
WriteBufferFromS3::~WriteBufferFromS3()
{
    finalize();
}
void WriteBufferFromS3::preFinalize()
{
    next();
    if (multipart_upload_id.empty())
    {
        makeSinglepartUpload();
    }
    else
    {
        
        writePart();
    }
    is_prefinalized = true;
}
void WriteBufferFromS3::finalizeImpl()