Can I save the wallet after clearing the subaddress?
 static serializable_unordered_map<crypto::public_key, cryptonote::subaddress_index> m_subaddresses;
 
m_subaddresses, object containing 50 million subaddresses, each time save is called.A new wallet file is generated locally.
When the wallet is loaded  It takes a long time。 Can I save the wallet after clearing the subaddress?