%depth-first has pattern-matching issue
support a `%depth-first` scry constructed as follows `.^(* %gx /=graph-store=/graph/<ship of resource>/<name of resource>/depth-first/<count>/<start>/graph-update-3)`
--
::
[%depth-first @ @ ~]
- =/ count=(unit atom) (rush i.t.t.t.t.path dem:ag)
- =/ start=(unit atom) (rush i.t.t.t.t.t.path dem:ag)
+ =/ count=(unit atom) (rush i.t.t.t.t.t.path dem:ag)
+ =/ start=(unit atom) (rush i.t.t.t.t.t.t.path dem:ag)
?: ?=(~ count)
[~ ~]
:- ~ :- ~ :- mar
