[BUG] [AsciiDoc] Not all request body parameters are in the generated documentation

Created by: mgwoj

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• What's the version of OpenAPI Generator used?
• Have you search for related issues/PRs?
• What's the actual output vs expected output?
• [Optional] Bounty to sponsor the fix ([example]

Description

Documentation generated in AsciiDoc format has no section describing security information.

openapi-generator version

2.4.1-SNAPSHOT

OpenAPI declaration file content or url

https://github.com/OpenAPITools/openapi-generator/blob/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml

Command line used for generation

generated via gradle plugin

Steps to reproduce

See the https://github.com/OpenAPITools/openapi-generator/blob/master/samples/documentation/asciidoc/index.adoc -- it does not contain section

===== Body Parameter

for operations updatePetWithForm and uploadFile in the generated index.adoc. First one is using content application/x-www-form-urlencoded and the second multipart/form-data

Related issues/PRs

There are some issues related to multipart request, but seems not be directly related to this one (at least not for AsciiDoc format)

Suggest a fix

Not known at this moment.

/CC: @man-at-home