Changes to Create Item Category

added the optional property detail/items/ctx to the response with the 422 status

added the optional property detail/items/input to the response with the 422 status

added the new function enum value to the pinned_expression/tokens/items/type response property for the response status 201

added the new optional request property pinned_expression/name

added the new function enum value to the request property pinned_expression/tokens/items/type

added the optional property pinned_expression/name to the response with the 201 status

added the new optional request property show_description

added the optional property show_description to the response with the 201 status

added the new optional request property header_image_url

added the optional property header_image_url to the response with the 201 status

added the new optional request property child_sort_attribute_name

added the optional property child_sort_attribute_name to the response with the 201 status