[web] Log the QR code to the console

Summary:
Using this URL as a deep link should allow logging in using a simulator as a primary device.

https://linear.app/comm/issue/ENG-10168/improve-qr-login-flow-on-dev

Test Plan: Check in the console if the link is displayed.

Reviewers: kamil, bartek

Reviewed By: kamil

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D14314

web/account/log-in-form.react.js

@@ -104,6 +104,12 @@ function LoginForm() {
     return qrCodeLinkURL(qrData.aesKey, qrData.deviceID, identityDeviceType);
   }, [platform, qrData]);
 
+  React.useEffect(() => {
+    if (qrCodeURL) {
+      console.log(`QR Code URL: ${qrCodeURL}`);
+    }
+  }, [qrCodeURL]);
+
   const { pushModal, clearModals, popModal } = useModalContext();
 
   React.useEffect(() => {