[www] Fix benchmark argument.
This fixes a regression where the step API was always using the default
benchmark. Thanks Sahir for noticing this :-)
@@ -211,7 +211,7 @@ def _step(request: StepRequest) -> StepReply:
with env_lock:
env.reward_space = request.reward
- env.reset()
+ env.reset(benchmark=request.benchmark)
# Replay all actions except the last one.
if request.all_states:
