* [VAULT-33083] UI: support builtin plugins as external plugins
* address copilot review comments
* add changelog
* remove unused id property
* address some nits & add test coverage
* should use utils instead of mixins
* update comments
* move/consolidate logic for 'transform' engine type into ENGINE_TYPE_TO_MODEL_TYPE_MAP, added/updated test coverage
* cleanup: extract transform engine model type logic into helper functions
* address pr comment
* separation of concerns - move relevant vars/fns from all engines metadata to external plugin helpers & secret engine model helpers files
* add TODO; remove unnecessary exports
* rename secret-engine-model-helpers to secret-engine-helpers
* update unknown engine metadata from var to fn to handle a methodType param
* remove unnecessary test
* update changelog; return methodType for unknown engine metadata, simplify code for readability
* add optional chaining for fail-safe
* address kvv1 edge case - on exit configuration, kvv1 should redirect to list-root while kvv2 should redirect to the engineRoute defined in all-engines-metadata
* add ibm header
* fix test failure after updating unknown engine type
Co-authored-by: Shannon Roberts (Beagin) <beagins@users.noreply.github.com>
