Changes to List connected model subscriptions — metadata only, never credentials [read]

added the new meta enum value to the modelSubscriptions/items/provider response property for the response status 200

added the new org_disabled enum value to the modelSubscriptions/items/status response property for the response status 200

added the new xai enum value to the modelSubscriptions/items/provider response property for the response status 200

added the optional property error/request_id to the response with the default status

the response property error became required for the status default

the response property error/code became required for the status default

the response property error/message became required for the status default