[BUG] ArrayModels lack schema validations

[spacether]

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• 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 issuue still exists?
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Description

When we include schema validations in an ArrayModel, like minItems, they are inset in the CodegenModel instance

openapi-generator version

5.0.0-SNAPSHOT

OpenAPI declaration file content or url

openapi: 3.0.0
info:
  description: >-
    This spec is mainly for testing Petstore server and contains fake endpoints,
    models. Please do not use this for any other purpose. Special characters: "
    \
  version: 1.0.0
  title: OpenAPI Petstore
  license:
    name: Apache-2.0
    url: 'https://www.apache.org/licenses/LICENSE-2.0.html'
tags:
paths:
components:
  schemas:
    ArrayWithValidations:
      type: array
      minItems: 1
      items: {}

Generation Details

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