[BUG] [Kotlin] Enums generated for kotlinx serialization fails deserialization

[daniel-waiguru]

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator?
• Have you tested with the latest master to confirm the issue still exists?
• Have you searched for related issues/PRs?
• What's the actual output vs expected output?
• [Optional] Sponsorship to speed up the bug fix or feature request (example)

Description

Enums generated for kotlinx serialization are marked as @contextual, causing failures in json deserialization

openapi-generator version

7.16.0

OpenAPI declaration file content or url

openapi: 3.0.4
info:
  title: test
  version: 1.0.0
tags:
  - name: test
paths: {}
components:
    schemas:
     XYZType:
         type: string
         enum:
              - "ONE"

Generation Details

Steps to reproduce

Related issues/PRs

Suggest a fix