Improved pivot QP: use MLv2 and avoid recursive preprocessing (performance improvement) (#40141)

* Pivot QP use MLv2

* Wow

* Test fix 

* Fixes

* Actions should use strings for column names (fix :update-row and :create-row normalization)

* MLv2 schema should check against keys for the other query type

* Ok, have I fixed things?

* More fixes 

* Fix indentation

* Another round of test fixes. 

* Hopefully the last few test fixes 

* We need to test normalization for queries that have keyword keys as well.

* Fix Cljs i18n namespaces

* Sort namespaces

* Only test against H2

* Test fixes 

* Register MBQL clause schemas and test fixes 

* Test fixes and PR feedback

* Test fix

* Remove the normalization tests

* Test fixes 

* Fix kondo

* PR feedback

* Resurrect remove-all-breakouts

* Test fixes