Node rewind on a bad fork

[LesnyRumcajs]

Summary

From @hanabi1224

If the node gets upgraded after getting into a fork, we could make the node smart enough to rewind the head to before the network upgrade

Sample faulty snapshot done after the network upgrade but without the node upgraded:
https://drive.google.com/file/d/1znH_R5VqXfBhfxP8GYT14tfnqgjTXK3z/view?usp=sharing

Completion Criteria

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