message: [Nginx] make the operation id from Create to CreateOrUpdate
diff: "NginxCertificate"
  ],
  "summary": "Create or update the Nginx certificates for given Nginx deployment",
  - "operationId": "Certificates_Create",
  + "operationId": "Certificates_CreateOrUpdate",
  "consumes": [
  "application/json"
  ],
  "NginxDeployment"
  ],
  "summary": "Create or update the Nginx deployment",
  - "operationId": "Deployments_Create",
  + "operationId": "Deployments_CreateOrUpdate",
  "consumes": [
  "application/json"
  ],
  