* WIP: changes transformer API to Observable

* Refactor: changes ResultProcessor

* WIP: TransformationUI

* wip

* Refactor: Cleaning up code in CalculateFieldTransformerEditorProps

* Refactor: pushing editor and input output down to TransformationEditor

* Refactor: renaming props

* Refactor: makes transformDataFrame more readable

* Refactor: fixes editor issues

* Refactor: changes after merge with master and first tests

* Tests: completes the tests for the Explore changes

* Tests: fixes all transform tests

* Tests: fixed annotations test

* Tests: fixed typechecks

* Refactor: changes transform interface to MonoTypeOperatorFunction

* Chore: cleans up typings

* Update packages/grafana-data/src/transformations/transformDataFrame.ts

Co-authored-by: Marcus Andersson <marcus.andersson@grafana.com>

* Tests: fixes broken tests

Co-authored-by: Marcus Andersson <marcus.andersson@grafana.com>