graph-leave: fix action type
|= arg=vase
=/ m (strand ,vase)
^- form:m
-=+ !<([=action:graph-view ~] arg)
+=+ !<(=action:graph-view arg)
?> ?=(%leave -.action)
;< =bowl:spider bind:m get-bowl:strandio
?: =(our.bowl entity.rid.action)
