Changes to List Vehicles

added the pattern ^[A-Za-z0-9+/=_-]+$ to the query request parameter cursor

added ExpandedDevice to the results/items/devices/items response property oneOf list for the response status 200

added ExpandedGroup to the results/items/groups/items response property oneOf list for the response status 200

added the new provider_timeout enum value to the code response property for the response status 504

added the non-success response with the status 410

removed subschema #2: Expanded Device from the results/items/devices/items response property oneOf list for the response status 200

removed subschema #2: Expanded Group from the results/items/groups/items response property oneOf list for the response status 200

the next response's property pattern ^[A-Za-z0-9+/=_-]+$ was added for the status 200