NewSelection allocates a new object selection.

SelectionWithClient sets the client struct key.

SelectionWithInstalled forces a list of installed path.T The daemon knows the path of objects with no local instance, so better to use that instead of crawling etc/ via path.List().

SelectionWithLocal forces the selection to be expanded without asking the daemon, which might result in an sub-selection of what the daemon would expand the selector to.

SelectionWithServer sets the server struct key.