update gen4 query plans in aggr cases
update gen4 query plans in aggr cases

Signed-off-by: Harshit Gangal <af4d8fd3e8a94e9e7874ee31a198463039323a54@planetscale.com>

vitessio/vitess,mahak/vitess,mahak/vitess,mahak/vitess,mahak/vitess,mahak/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,vitessio/vitess