OpenAPI Generator Kotlin Array at Root Level Bug

OpenAPI Generator Kotlin Array at Root Level Bug.yml

openapi: 3.0.0
info:
  title: API
  description: Testing arrays at root level in kotlin
  version: 1.0.0

paths:
  /myObjectsAtRootLevel:
    get:
      tags: 
        - Not parsable to List<SubObject>
      summary: Retrieve array of objects at root level 
      responses:
        '200':
          description: Results
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/SubObject'
                  
  /myObjectsEncapuslated:
    get:
      tags: 
        - Parsable to MyObject containing List<SubObject>
      summary: Retrieve array of objects encapsulated in object
      responses:
        '200':
          description: Results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MyObject'
                    
components:
  schemas:
    MyObject:
      type: object
      properties:
        title:
          type: string
        children:
          type: array
          items: 
            $ref: '#/components/schemas/SubObject'
      required:
        - title
        
    SubObject:
      type: object
      properties:
        title:
          type: string
      required:
        - title