Changes to Search for videos by a photographer

removed the enum value detail_set from the property items/ of the query request parameter fields

added the optional property videos/items/istock_exclusive to the response with the 200 status

the response property videos/items/alternative_ids/additionalProperties became nullable for the status 200

added the optional property videos/items/allowed_use/editorial_use_only to the response with the 200 status

added the media type application/json for the response with the status 200