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according to the 'Handle the Authorization Response' in apple developer guide,The document says the request sent a 'POST', but the request sent a 'GET'.(https://developer.apple.com/documentation/signinwithapplejs/configuring_your_webpage_for_sign_in_with_apple)"Apple processes the authorization request, an HTTP POST request containing the results of the authorization is sent to the URL provided in redirectURI."this problem only happens in Xcode's simulator & some iphones.(occurs after entering ID/password)*but 'sign in with apple' works well in web browsers.Please help me how to solve this problem.