OpenAPI responses are now all wrapped in RequestState

<img width="967" height="318" alt="Image" src="https://github.com/user-attachments/assets/b1aff655-bd26-4e51-bfee-1f3f242c402e" /> with the wrapper changes, to return requestState, TSOA also included this now in the openapi generation. Now it looks like all returned response are wrapped in this RequestState object. see https://join-lemmy.org/api/main#tag/Community/operation/BanFromCommunity