Fork environment

Creates a live fork that inherits everything from this environment and stores only its own overrides and exclusions. Team environments fork into shared (scope: "org", needs Read on the parent and counts toward your environment limit) or personal (scope: "user", needs Read) forks; your own personal environments fork only into personal ones. Other people's personal environments can't be forked. Forks nest at most 3 levels. A shared fork starts with its parent's access grants, and members also need Read on every ancestor to see it.