Public bug reported:

We are attempting to use authd and authd-msentraid for domain managed
logins on Ubuntu as per this guide:

https://documentation.ubuntu.com/authd/en/latest/howto/

We are using Noble 24.04.2
gdm3: 46.2-1ubuntu1~24.04.1
authd: 0.4.1
authd-msentraid: 0.2.0+33feab0.0d0d6c7

When attempting to log in with the MSEntraID broker the first time, we
would expect that GDM would show a QR code and a text code to follow to
use the MS cloud service to associate the local login with the domain
account.

What actually happened: on two out of three systems attempted, we get an
error on the GDM login that says:

"""
can't select authentication mode: can't select authentication
mode: could not validate UI layout: unrecognized field "code"
provided for layout "qrcode"
"""

After this message is shown for a moment, GDM goes back to "select a
broker".


What we expected: GDM to show a QR code and a text code of about 12 digits, and 
then proceed to a login flow after the MS 2-factor process is completed on 
another device.

** Affects: gdm3 (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "PXL_20250221_214146214.jpg"
   
https://bugs.launchpad.net/bugs/2100228/+attachment/5860626/+files/PXL_20250221_214146214.jpg

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https://bugs.launchpad.net/bugs/2100228

Title:
  Login with MSEntraID broker can't show QR Code

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