[IO-1805][external] Core delete item method & tests

[JBWilkie]

Problem

Currently no way to delete items in darwin.future

Solution

Define the core method to delete a list of items by their UUIDs by using the delete endpoint

Changelog

Added core item delete methods & tests

[linear]

IO-1805 Core: Edit items: Delete items

Delete items by delete filter (server side)

https://www.notion.so/v7labs/Item-Management-Functionality-Scoping-df5f846a135e46e1bf31c473afda32ee#c93dd9600c9b47b394df6660276d490d

delete_item(client, id)
# client: Client
# id: str, validatable as UUID