ability to revert the detected drift to last approved plan (in case of manual approval for apply)

[navpreet-securitas]

if we implement manual apply by providing like approvalPlan: plan-main-ade71460bd , controller is still able to detect drift/manual changes made in underlying managed resources from az portal etc.
then it creates new plan like pending: plan-main-199b2c7c1b and waits for manual approval, to revert back drift/manual changes.

@chanwit : would like to know if there is possibility from controller end, that it automatically revert back the detected drift to last state which was applied via approvalPlan: plan-main-ade71460bd, instead of creating new plan.

In this way we can have manual approval for new changes for production environment via terraform and still allowing auto revert for manual/accidental changes made via az portal etc(kind of enforcing last approved state/plan in GitOps way).