fix epoch_id_record_finished_ handling in datastore::update_min_epoch…

…_id()

src/limestone/datastore.cpp

@@ -260,7 +260,7 @@ void datastore::update_min_epoch_id(bool from_switch_epoch) {  // NOLINT(readabi
         if (epoch_id_to_be_recorded_.compare_exchange_strong(old_epoch_id, to_be_epoch)) {
             std::lock_guard<std::mutex> lock(mtx_epoch_file_);
             write_epoch_to_file(static_cast<epoch_id_type>(to_be_epoch));
-            epoch_id_record_finished_.store(epoch_id_to_be_recorded_.load());
+            epoch_id_record_finished_.store(to_be_epoch);
             break;
         }
     }