feat(connector): [BRAINTREE] add card payment method flows

[arindam-sahoo]

Type of Change

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

Description

Adding 3DS /No3DS Card Flows related Configs for the Braintree Payment Processor.

Additional Changes

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

Motivation and Context

Missing Configs for Braintree Connector.

How did you test it?

No3DS Auto Capture	3DS Auto Capture

No3DS Manual Capture	Void Payment

Sync Payment	Refund Payment

CIT & MIT Flows	Not Implemented Flows

Sync Refund

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
api-reference-v2/openapi_spec.json	0% smaller
api-reference/openapi_spec.json	0% smaller
cypress-tests/cypress/e2e/configs/Payment/Braintree.js	0% smaller
cypress-tests/cypress/e2e/configs/Payment/Utils.js	0% smaller