isSignerApproved method
Implementation
Future<bool> isSignerApproved(String signerLocator) async {
final CrossmintWalletSigner? signerState = await client.wallets.readSigner(
walletId: locator,
signerLocator: signerLocator,
chain: chain,
);
final String? status = signerState?.status;
return status == 'success' || status == 'active';
}