Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• 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?
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Description

openapi-generator version

regression in 6.5.0

OpenAPI declaration file content or url

This OA spec snippet

    CompanyDto:
      type: object
      description: ....
      properties:
        priceCategory:
          description: The price category
          nullable: true
          x-field-extra-annotation: '@IgnoreForRoles("MEDIA_ADMIN")'
          allOf:
            - $ref: '#/components/schemas/SamplingPriceCategoryEnum'

Expected Output

... produced the following output in v6.4.0 (using openApiNullable = true):

  @JsonProperty("priceCategory")
  @IgnoreForRoles("MEDIA_ADMIN")
  private JsonNullable<SamplingPriceCategoryEnum> priceCategory = JsonNullable.undefined();

Actual Output

... but produces the following in 6.5.0:

  private JsonNullable<SamplingPriceCategoryEnum> priceCategory = JsonNullable.undefined();