forked from loafle/openapi-generator-original
* [kotlin-spring] Fix no List being used for an array of files using multipart/form-data * [kotlin-spring] Use Spring's MultipartFile class for incoming Files instead of Spring's Resource class. * [kotlin-spring] Add test to ensure that return type for files is `org.springframework.core.io.Resource` * [kotlin-spring] Ensure Array is used for lists of files in generated Api class * Update samples * [kotlin-spring] Move conditional usage of MultipartFile to optionalDataType.mustache. Update samples * update samples --------- Co-authored-by: William Cheng <wing328hk@gmail.com>