connectEmail method
Implementation
@override
Future<void> connectEmail({required String value, String? chainId}) async {
if (_emailNotReady) {
throw Exception('Service is not ready');
}
//
_socialProvider = null;
_connectionChainId = chainId ?? _connectionChainId;
final message = ConnectEmail(email: value).toString();
await _webViewController.runJavaScript('sendMessage($message)');
}