Changes to Get the caller's shopping lists, including items

the response property items/categoryOrder became nullable for the status 200

the response property items/collaboratorUsers/items/user/handle became nullable for the status 200

the response property items/items/items/categoryTitle became nullable for the status 200

the response property items/items/items/user/handle became nullable for the status 200

the response property items/user/handle became nullable for the status 200

response property items/categoryOrder list-of-types was narrowed by removing types null from media type application/json of response 200

response property items/collaboratorUsers/items/user/handle list-of-types was narrowed by removing types null from media type application/json of response 200

response property items/items/items/categoryTitle list-of-types was narrowed by removing types null from media type application/json of response 200

response property items/items/items/user/handle list-of-types was narrowed by removing types null from media type application/json of response 200

response property items/user/handle list-of-types was narrowed by removing types null from media type application/json of response 200