refactor(users): change list roles api to also send inactive merchants

[ThisIsMani]

Type of Change

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

Description

Changed switch list api to also send inactive merchants in the response.

Additional Changes

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

Motivation and Context

To use this in this api to get all the merchant details

How did you test it?

curl --location 'http://localhost:8080/user/switch/list' \
--header 'Authorization: Bearer JWT'

This api will send merchants with is_active: false in the response from now on.

[
    {
        "merchant_id": "merchant_1",
        "merchant_name": null,
        "is_active": false
    },
    {
        "merchant_id": "merchant_2",
        "merchant_name": null,
        "is_active": true
    }
]

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
• I added a CHANGELOG entry if applicable