* fixes

* op-supervisor: head db init fix, logging, op-node debug logging

* interop: track recent safety data

* Early integration and refactor of Views and SafetyIndex

* update for rebase

* rename RecentSafetyIndex ; reorganize

* refactor Pointer method on iterator

* logging

* Delete unused Tracking Code ; New ChainsDB.Safest

* fix naming miss

* fix mistaken line deletion

* Update op-supervisor/supervisor/backend/safety/safety.go
Co-authored-by: protolambda <proto@protolambda.com>

* Add issue numbers to TODO ; Address Proto Comments

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Co-authored-by: protolambda <proto@protolambda.com>