## Why
We observed `Webhooks::TwilioEventsJob` failures ending up in Sidekiq
dead jobs when Twilio callback payloads could not be mapped to a
`Channel::TwilioSms` record. In this scenario, channel lookup raised
`ActiveRecord::RecordNotFound`, which caused retries and eventual dead
jobs instead of a graceful drop.
Related Sentry issue/search:
-
https://chatwoot-p3.sentry.io/issues/?project=6382945&query=Webhooks%3A%3ATwilioEventsJob%20ActiveRecord%3A%3ARecordNotFound
## What changed
This PR keeps the existing lookup flow but makes it non-raising:
- `app/services/twilio/incoming_message_service.rb`
- `find_by!` -> `find_by` for account SID + phone lookup
- Added warning log when channel lookup misses
- `app/services/twilio/delivery_status_service.rb`
- `find_by!` -> `find_by` for account SID + phone lookup
- Added warning log when channel lookup misses
## Reproduction
Configure a Twilio webhook callback that reaches Chatwoot but does not
match an existing Twilio channel lookup path. Before this change, the
job raises `RecordNotFound` and can end up in dead jobs after retries.
After this change, the job logs the miss and exits safely.
## Testing
- `bundle exec rspec
spec/services/twilio/incoming_message_service_spec.rb
spec/services/twilio/delivery_status_service_spec.rb`
- `bundle exec rubocop app/services/twilio/incoming_message_service.rb
app/services/twilio/delivery_status_service.rb`
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