message: fix for preload
diff: @@ -165,6 +165,7 @@ bool is_code_activated( uint64_t account ) {
  }
  const char* get_code( uint64_t receiver, size_t* size ) {
  + try {
  if (!ctx().is_account(receiver)) {
  *size = 0;
  return nullptr;
  @@ -173,6 +174,9 @@ const char* get_code( uint64_t receiver, size_t* size ) {
  auto& a = ctx().control.get_account(receiver);
  *size = a.code.size();
  return a.code.data();
  + } catch (...) {
  +
  + }
  if (!db_api::get().is_account(receiver)) {
  *size = 0;
  