[P1 BUG FIX] Cumulative aggregations with multiple breakouts should reset counts when values of breakouts other than change (#41340)

* Fix add-alias-info matching for nominal field literal refs

* Minor cleanup

* Minimize diff

* A bit more cleanup

* Cumulative aggregations w/ multiple breakouts should reset counts (#2862)

* Update dox

* Do the nesting FIRST before adding alias info.

* Remove unused