Fix scheduler heartbeat timeout failures with DetachedInstanceError (apache#53838)

Author: kaxil

airflow-core/src/airflow/jobs/scheduler_job_runner.py

@@ -2264,7 +2264,7 @@ def _find_task_instances_without_heartbeats(self, *, session: Session) -> list[T
         task_instances_without_heartbeats = session.scalars(
             select(TI)
             .options(selectinload(TI.dag_model))
-            .options(selectinload(TI.dag_run))
+            .options(selectinload(TI.dag_run).selectinload(DagRun.consumed_asset_events))
             .options(selectinload(TI.dag_version))
             .with_hint(TI, "USE INDEX (ti_state)", dialect_name="mysql")
             .join(DM, TI.dag_id == DM.dag_id)