waited property
Whether this step's settle policy was one that waits for the app to go
quiet — Settle.upTo and Settle.full, and not Settle.none,
Settle.frames or Settle.elapse, which stop on a count or on the
clock.
The wire omits the field on the true side, so a report written before
this existed reads as every step having waited — which is what a reader
of one already assumed.
Implementation
final bool waited;