* interop: dataflow refactor v2
Co-authored-by: Axel Kingsley <axel.kingsley@gmail.com>

* interop: many refactor-fixes, make action test pass

* op-e2e: fix lint

* op-service: RPC event-stream util, for subscription and polling flexibility

* op-node: update interop managed-mode RPC events to use RPC stream util

* op-supervisor: subscribe or poll for managed-node events

* op-service: stream fallback util

* op-node: fix interop managed L1 traversal

* op-supervisor: enable action tests to pull events

* op-e2e: fix interop action test

* lint

* fix unit test

* Fixes from E2E tests
- Reset Engine even when in Managed Mode
- Use correct wrapped subscription
- Export wrapped subscription type
- Close Controllers on exit

* Controller tests and fixes

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Co-authored-by: Axel Kingsley <axel.kingsley@gmail.com>