feat(connectors): fiuu,novalnet,worldpay - extend NTI flows

[kashif-m]

Type of Change

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

Description

Described in #6941

This PR adds NTI flow integrations for below connectors

• Fiuu - store NTI ID in payments response
• Novalnet - use NTI ID for card payments
• Worldpay - store and use NTI ID for card payments

Additional Changes

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

Motivation and Context

How did you test it?

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

[semanticdiff-com]

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Changed Files

File	Status
crates/hyperswitch_connectors/src/connectors/fiuu/transformers.rs	34% smaller
crates/hyperswitch_connectors/src/connectors/worldpay/transformers.rs	22% smaller
crates/hyperswitch_connectors/src/connectors/worldpay/requests.rs	10% smaller
crates/hyperswitch_connectors/src/utils.rs	1% smaller
config/config.example.toml	Unsupported file format
config/deployments/integration_test.toml	Unsupported file format
config/deployments/sandbox.toml	Unsupported file format
config/development.toml	Unsupported file format
config/docker_compose.toml	Unsupported file format
crates/hyperswitch_connectors/src/connectors/novalnet/transformers.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/worldpay.rs	0% smaller
crates/hyperswitch_connectors/src/connectors/worldpay/response.rs	0% smaller
loadtest/config/development.toml	Unsupported file format