hark-graph-hook: fix calling of +add-nodes, place using parent index
==
=/ cor=(unit _handle-update) (abed:handle-update:ha rid)
?~ cor `state
- abet:add-nodes:u.cor
+ abet:(add-nodes:u.cor updates)
--
::
++ on-peek on-peek:def
::
++ handle-update
|_ $: rid=resource :: input
- updates=(list node:graph-store)
=mark
hark-pokes=(list action:store) :: output
new-watches=(list index:graph-store)
::
++ place
^- place:store
- (get-place rid index.post)
+ (get-place rid parent-idx)
::
++ should-notify
?| is-mention
