**Describe the bug**
When the requests are done in a very specific environment, they got an error from ClickHouse. The partially it was fixed in https://github.com/ClickHouse/ClickHouse/pull/21936

**Does it reproduce on recent release?**
It's reproducible with docker image `yandex/clickhouse-server:latest` having digest `sha256:d359e6cff39486d2563cd16a307e0981ea6150760d7589b35e0e76ee7ba889ce`

**How to reproduce**
The very precise case for reproduction is present in https://github.com/Felixoid/ch-forms-issue

**Expected behavior**
The requests should work
#include <Server/HTTP/ReadHeaders.h>
#include <IO/ReadBuffer.h>
#include <IO/ReadHelpers.h>
#include <Poco/Net/NetException.h>
namespace DB
{
void readHeaders(