CHK-2694: update node error handler (#98)

* feat(openapi): update error mapping in payment-requests

* feat(error-node): update error node for payment-request in service

* test: add new test for conflict status

* refactor(node-error-handler)

* reafactoring(test): scan all enum error values

* fix(test): test annotation

* feat: add new category node error

* fix(error-node): use value as key in node error handler