[BUG] [AsciiDoc] Names of the parameters are not preserved

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?
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Description

Documentation generated in AsciiDoc format has invalid parameter names. If the parameter name is like X-Some-Param, in the generated index.adoc file it looks like xSomeParam, which is wrong. Original name should be preserved.

openapi-generator version

2.4.1-SNAPSHOT

OpenAPI declaration file content or url

openapi: 3.0.0
info:
  title: Some API
  version: 0.0.1
paths:
  /v1/api/view/:
    get:
      responses:
        '200':
          description: OK
      parameters:
        - name: X-Some-Param
          in: header
          required: true
          schema:
            type: integer

Command line used for generation

generated via gradle plugin

Steps to reproduce

Generated, wrong content

====== Header Parameters

[cols="2,3,1,1,1"]
|===         
|Name| Description| Required| Default| Pattern

| xSomeParam 
|   
| X 
| null 
|  

|===

Related issues/PRs

None

Suggest a fix

Change file openapi-generator\modules\openapi-generator\src\main\resources\asciidoc-documentation\param.mustache and replace paramName with baseName

/CC: @man-at-home