refactor(core): add profile_id for default_fallback api

[prajjwalkumar17]

Type of Change

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

Description

This will refactor the route routing/default/profile Previously the output for this route was the default fallback connectors from all the profiles, After this refactor it will have the fallback connectors only for the mentioned profile. If the profile_id is provided by the authentication layer, if not it will behave as previous by taking the merchant_id from auth layer.

Moreover we have removed 2 routes from backed as these were not being used(Dahboard as well as internal apis), hence were redundant. GET routing/default POST routing/default

Additional Changes

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

Motivation and Context

Required by our Dashboard to move the api's under profile level

How did you test it?

curl --location 'http://127.0.0.1:8080/routing/default/profile' \
--header 'Authorization: Bearer token

This should have the connectors from the mentioned profile only.

[
    {
        "connector": "bankofamerica",
        "merchant_connector_id": "mca_ADICIF9zh09TjnpUgusU"
    }
]

Checklist

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

[semanticdiff-com[bot]]

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Changed Files

| File | Status | | :--- | :--- | | [](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/core/routing.rs)  [crates/router/src/core/routing\.rs](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/core/routing.rs) | [](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/core/routing.rs)  80% smaller | | [](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/routes/app.rs)  [crates/router/src/routes/app\.rs](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/routes/app.rs) | [](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/routes/app.rs)  78% smaller | | [](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/routes/routing.rs)  [crates/router/src/routes/routing\.rs](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/routes/routing.rs) | [](https://app.semanticdiff.com/gh/juspay/hyperswitch/pull/6546/changes#crates/router/src/routes/routing.rs)  43% smaller |