privateKeyToPublicKey method
Implementation
@override
Uint8List privateKeyToPublicKey(Uint8List privateKey) {
  switch (icpWalletType) {
    case IcpWalletType.stoic:
      return ED25519.privateKeyToPublicKey(privateKey);
    default:
      return EcdaSignature.getUnCompressedPublicKey(privateKey);
  }
}