title: Authentication with apple using OAuth returning invalid client
body: <p>I am trying to add authentication with apple using firebase OAuth in my react project, I have added Facebook and Google and they are working just fine.</p>
  <p>I'm using <code>signInWithPopup</code>. But when I added apple authentication it is always showing the same result it renders the popup and shows an invalid client warning, I even tried to use the <code>signInWithRedirect</code> method, and still the same problem as before.</p>
  <p>Could be from the setup of the apple developers account or the firebase account?</p>
  <p>Any suggestions?</p>
  <p>thank you.</p>
  <p><img src="https://i.stack.imgur.com/kFyen.png" alt="the page it is rendering" /></p>