[v3-4-test] Load the serialized Dag in ti_run only for stub tasks (#75795) - #75802

[v3-4-test] Load the serialized Dag in ti_run only for stub tasks (#75795)#75802

jason810496 merged 4 commits into

apache:v3-4-testapache/airflow:v3-4-testfrom

jason810496:backport-75795-v3-4-testjason810496/airflow:backport-75795-v3-4-testCopy head branch name to clipboard