forked from loafle/openapi-generator-original
* feat: add test-array endpoint and TestArrayResponse schema to oneOf.yaml * feat: enhance oneOf handling in TypeScript code generators with string and array support * fix: correct type checks for string and object arrays in modelOneOf.mustache * refactor: remove oneOfStringEnums handling and simplify oneOf logic in TypeScript code generators * chore: update samples * refactor: remove unnecessary string oneOf checks in TypeScriptFetchClientCodegen