update method Null safety
Updates the account instance and returns it
Implementation
Future<TMAccount> update() async {
var data = await Requests.get<Map<String, dynamic>>('/me', auth);
TMAccount account = TMAccount._fromJson(data, password);
quota = account.quota;
used = account.used;
isDisabled = account.isDisabled;
isDeleted = account.isDeleted;
updatedAt = account.updatedAt;
auths[id] = Auth(account, auths[id]!.token);
return account;
}