fix custom user authentication

[sainak]

fix custom user authentication for new assets and abdm users

[sentry-io]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: config/authentication.py

Function	Unhandled Issue
get_user	TypeError: User() got unexpected keyword arguments: 'age' /api/v1/consultation/patient_fr... Event Count: 3.7k

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