My Face ID has been disabled . How do I set it

The link on top of this page which you had visited, before posting this question here, is shown under the "Related Article” that may have given you an answer.

iPhone Camera

With iPhone 12 models and later using iOS 15.2 and later, you can go to Settings > General > About to see the parts and service history of your iPhone and you can see if the camera has been replaced. If the repair was done using genuine Apple parts and processes, you will see "Genuine Apple Part" next to Camera.