YT-26173: Fix data race on vptr in async exp cache

commit_hash:7d65c7dd7ef5f023fb8cd6ae293198b3da99b5fa

Author: cherepashka

yt/yt/core/misc/async_expiring_cache-inl.h

@@ -50,6 +50,12 @@ TAsyncExpiringCache<TKey, TValue>::TAsyncExpiringCache(
 {
     RefreshExecutor_->SetPeriod(config->RefreshTime);
     ExpirationExecutor_->SetPeriod(config->ExpirationPeriod);
+}
+
+template <class TKey, class TValue>
+void TAsyncExpiringCache<TKey, TValue>::Initialize()
+{
+    auto config = GetConfig();
     if (config->BatchUpdate) {
         if (config->RefreshTime && *config->RefreshTime) {
             RefreshExecutor_->Start();

yt/yt/core/misc/async_expiring_cache.h

@@ -45,6 +45,8 @@ class TAsyncExpiringCache
         // TODO(cherepashka): remove default value and move upper.
         const IInvokerPtr& invoker = NYT::NRpc::TDispatcher::Get()->GetHeavyInvoker());
 
+    void Initialize();
+
     TFuture<TValue> Get(const TKey& key);
     TExtendedGetResult GetExtended(const TKey& key);
     TFuture<std::vector<TErrorOr<TValue>>> GetMany(const std::vector<TKey>& keys);