Fix odd use of E.when

[erights]

agoric-sdk/packages/notifier/src/asyncIterableAdaptor.js

Line 112 in 2c7ba13

E.when(iterator.next()).then(

This is not how E.when is meant to be used. Either substitute E.resolve (which, btw, is currently absent from the type declarations. See #1361 ) or replace the following ).then( with a comma, so that the first and second .then arguments become the second and third E.when arguments. (This doesn't yet work in the type system because #1362 )