[Backport] Fix resultcache multiple postaggregation restore#15411

LakshSingla merged 1 commit intoapache:28.0.0apache/druid:28.0.0from

kgyrtkirk:backport-15402-to-28.0.0kgyrtkirk/druid:backport-15402-to-28.0.0Copy head branch name to clipboard