Make sure UUID is in trackers in Responder::get_outdated_trackers

[sr-gi]

python-teos/teos/responder.py

Lines 451 to 452 in 66bc075

	for uuid in self.gatekeeper.get_outdated_appointments(height)
	if self.trackers[uuid].get("penalty_txid") in self.unconfirmed_txs

get_outdated_trackers source comes from Gatekeeper::get_outdated_appointments, which can return data that is either in the Watcher or the Responder. Data should be intersected with Responder::trackers to make sure the map is not accessed for missing items.