fix: preserve state in DistinctMedianAccumulator::evaluate() for window frame queries#19887

Jefffrey merged 1 commit intoapache:mainapache/datafusion:mainfrom

kumarUjjawal:fix/retract_batch_accumulator_distinct_mediankumarUjjawal/datafusion:fix/retract_batch_accumulator_distinct_medianCopy head branch name to clipboard