* Move resolveLegacyKey to encryptService for utf8 decryption * Deprecate account.keys.legacyEtmKey Includes migration to tidy up leftover data * Use new IEncrypted interface
* move decryptFromBytes, decryptToBytes, and encryptToBytes from CryptoService to EncryptService * leave redirects in CryptoService * combine encryptService decryptFromBytes and decryptToBytes methods * move parsing logic into EncArrayBuffer * add tests