consumer_auto_offset_reset="latest" doesn't work

Checklist

• I have included information about relevant versions
• I have verified that the issue persists when using the master branch of Faust.

Steps to reproduce

I am trying to develop a stream processor that doesn't require the previous messages using the offset.

app = faust.App(
    id=settings.APP,
    autodiscover=True,
    origin="app",
    broker="kafka://localhost:9092",
    value_serializer="raw",
    enable_sensors=True,
    enable_web=True,
    consumer_auto_offset_reset="latest"
)

Expected behavior

Ignore the previous unprocessed messages.

Actual behavior

Proccess the whole history of the topic

Full traceback

N/A

Versions

• Python version: 3.8
• Faust version: 1.10.3
• Operating system: MacOs
• Kafka version: https://hub.docker.com/r/wurstmeister/kafka/dockerfile
• RocksDB version (if applicable)