[BUG] Duplicated enums/maps and invalid convertResponse

[point-source]

Describe the bug
When generating an sdk using this swagger file, some map or enums such as these are duplicated:

• enum Target
• const $TargetMap

Additionally, the generated json converter's convertResponse method is not a valid override if the original.

To Reproduce
Use this swagger file: https://gist.github.com/point-source/f2b45af0f84a57ee1b39ccc11730ccc7
Use these build.yaml options:

targets:
  $default:
    builders:
      swagger_dart_code_generator:
        options:
          input_folder: "lib/swaggers"
          output_folder: "lib/generated/"
          separate_models: true

Expected behavior
A fully functioning library should be generated without compile errors

Swagger specification link
Link to swagger/OpenApi documentation

Library version used:
Dart: 2.17.6
swagger codegen: 2.8.1

Note, this is the same swagger and setting as issue #458 so I would expect tests to be failing on that ticket too.

[Vovanella95]

Hi @point-source , will handle it

[Vovanella95]

Hi @point-source , FutureOr happens because we started to support newest chopper version.

To fix it you can upgrade chopper to 5+ version or fix it by hands.

I will fix duplicated enums asap

[Vovanella95]

Hi @point-source

I'm on business trip next 2 weeks. Will handle all tickets asap when return home :)