Move the serialization of the address and object into separate functions and
use them in methods. Use recently implemented RawObject constructor and
method in metaFromObject function.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Remove Address type. Makes Address method of the Object to return NeoFS SDK
Address type. Makes local storage to work with NeoFS SDK object address.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
