Fix database init.

td/telegram/Td.cpp

@@ -3812,6 +3812,7 @@ void Td::finish_init() {
     return;
   }
 
+  VLOG(td_init) << "Continue to execute " << pending_init_requests_.size() << " pending requests";
   auto requests = std::move(pending_init_requests_);
   for (auto &request : requests) {
     run_request(request.first, std::move(request.second));

td/telegram/TdDb.cpp

@@ -394,6 +394,7 @@ void TdDb::open(int32 scheduler_id, TdParameters parameters, DbKey key, Promise<
      public:
       void open(TdParameters &&parameters, DbKey &&key, Promise<OpenedDatabase> &&promise) {
         TdDb::open(-1, std::move(parameters), std::move(key), std::move(promise));
+        stop();
       }
     };
     send_closure(create_actor_on_scheduler<Worker>("worker", scheduler_id), &Worker::open, std::move(parameters),