refactor(users): Changes for Home and Signout APIs for TOTP Redis flows

[ThisIsMani]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

After this PR, Home API will send the details about the user's 2FA, specifically weather user has completed 2FA setup and number of recovery codes left for him.

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

Closes #4848

How did you test it?

1. Home API

   curl --location 'http://localhost:8080/user' \
   --header 'Authorization: Bearer Login Token'
   

   {
       "merchant_id": "company_name",
       "name": "name",
       "email": "email",
       "verification_days_left": null,
       "role_id": "org_admin",
       "org_id": "org_lbZlm2cx4j2LgVo7bUwq",
       "is_two_factor_auth_setup": true,
       "recovery_codes_left": 8
   }

2. Signout

   1. Hit Signout API

      curl --location --request POST 'http://localhost:8080/user/signout' \
      --header 'Content-Type: application/json' \
      --header 'Authorization: Bearer Login Token'
      

      200 OK

   2. Signin with the same user again

      curl --location 'http://localhost:8080/user/v2/signin' \
      --header 'Content-Type: application/json' \
      --data-raw '{
          "email": "email",
          "password": "password"
      }'
      

      {
          "flow_type": "dashboard_entry",
          "token": "Login Token",
          "merchant_id": "company_name",
          "name": "name",
          "email": "email",
          "verification_days_left": null,
          "user_role": "org_admin"
      }
      

   3. Take the token from the above response and hit 2FA status API

      curl --location 'http://localhost:8080/user/2fa' \
      --header 'Authorization: Bearer Login Token'
      

      {
          "totp": false,
          "recovery_code": false
      }
      

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible

[racnan]

recovery_codes_left: Some(_) represents is_two_factor_auth_setup: true.
Lets try to simplify if possible.

[ThisIsMani]

This will be done once we remove totp_status from users.

[racnan]

Add test case for signout changes as well