Added new operator fields to SMS APIs

Changed

• New operator_ext_type, operator_ext_number, operator_ext_id, operator_name response fields in the following SMS APIs:
  • GET /v2/accounts/{accountId}/phone/sms/sessions/{sessionId}/messages/{messageId}
  • GET /v2/phone/sms/sessions/{sessionId}/messages/{messageId}
  • GET /v2/accounts/{accountId}/phone/users/{userId}/sms/sessions/sync
  • GET /v2/phone/users/{userId}/sms/sessions/sync
  • GET /v2/phone/sms/sessions/{sessionId}
  • GET /v2/accounts/{accountId}/phone/sms/sessions/{sessionId}
  • GET /v2/phone/sms/sessions/{sessionId}/sync
  • GET /v2/accounts/{accountId}/phone/sms/sessions/{sessionId}/sync