Do not move rows type in BulkUpsert if rows were not moved (#26912)

Author: pnv1

.github/last_commit.txt

@@ -1 +1 @@
-834977fc44faac0d4668f39ffec80dcbbc74fbaf
+78aa6fa75eba124b91b200bfe76c67e94ee968a4

src/client/table/impl/table_client.cpp

@@ -1032,16 +1032,17 @@ TAsyncBulkUpsertResult TTableClient::TImpl::BulkUpsert(const std::string& table,
 
     request->set_table(TStringType{table});
 
-    if (rows.GetType().Impl_.use_count() == 1) {
-        request->mutable_rows()->mutable_type()->Swap(&rows.GetType().GetProto());
-    } else {
-        *request->mutable_rows()->mutable_type() = rows.GetType().GetProto();
-    }
-
+    auto* mutable_rows = request->mutable_rows();
     if (rows.Impl_.use_count() == 1) {
-        request->mutable_rows()->mutable_value()->Swap(&rows.GetProto());
+        mutable_rows->mutable_value()->Swap(&rows.GetProto());
+        if (rows.GetType().Impl_.use_count() == 1) {
+            mutable_rows->mutable_type()->Swap(&rows.GetType().GetProto());
+        } else {
+            *mutable_rows->mutable_type() = rows.GetType().GetProto();
+        }
     } else {
-        *request->mutable_rows()->mutable_value() = rows.GetProto();
+        *mutable_rows->mutable_value() = rows.GetProto();
+        *mutable_rows->mutable_type() = rows.GetType().GetProto();
     }
 
     auto promise = NewPromise<TBulkUpsertResult>();