`DataTypeFactory::get` locks a mutex inside shared a context, there was a case when many threads were locked inside it

https://pastila.nl/?0043b3e6/c557368f4cf0eb87a3c6f2cc162bc693

It is not clear which thread locked the mutex for a long time. However, it may be possible to lock less inside `DataTypeFactory::get`.
{
    std::lock_guard lock(shared->clusters_mutex);
    if (!shared->clusters)
        throw Exception("Clusters are not set", ErrorCodes::LOGICAL_ERROR);
    shared->clusters->setCluster(cluster_name, cluster);
}
void Context::initializeSystemLogs()
{
    auto lock = getLock();
    shared->system_logs = std::make_unique<SystemLogs>(getGlobalContext(), getConfigRef());
}
void Context::initializeTraceCollector()
{
    shared->initializeTraceCollector(getTraceLog());
}
#if USE_ROCKSDB
void Context::initializeMergeTreeMetadataCache(const String & dir, size_t size)