Transaction management with split capture support

[taehyunlim]

Transaction Management Business Manager Module with Split Capture Support

Summary of changes

• Stores partial transaction amount and initial auth amount in order custom attributes
• Stores transaction history events
• Adds UUID in request header for idempotency
• Business Manager UI for transaction management

Tested use cases

• Checkout using Affirm as payment method to create an authorization request during order placement
• In Business Manager, initiate the following transaction operations:
  • Void
  • Partial capture
  • Full capture
  • Partial refund
  • Full refund
• Search by Affirm transaction id (or loan id)
• Test other cartridge functionality that is not affected by the change in this PR, such as VCN payment, promo messages, and jobs operations
• Tested against the following types of storefronts
  • SFRA
  • SiteGenesis Controllers
  • SiteGenesis Pipelines