signatures: properly use life instead of signed data in scry for deed
?~ lyf %.y
=+ %: jael-scry
,deed=[a=life b=pass c=(unit @ux)]
- our %deed now /(scot %p q.signature)/(scot %ud p.signature)
+ our %deed now /(scot %p q.signature)/(scot %ud r.signature)
==
?. =(a.deed r.signature) %.y
:: verify signature from ship at life
