[VL] Aggregate distinct optimization

### Description

For count(distinct a), sum(b) like TPCDS Q95, Now spark plan is group by and then aggregate, but velox can support aggregate.distinct = true in HashAggregation, here may have some potential to optimize.
```
Calling CudfHashJoinProbe::getOutput
I20250506 14:04:44.365132 5450 WholeStageResultIterator.cc:354] Native Plan with stats for: [Stage: 35 TID: 90]
-- Aggregation[21][PARTIAL n21_0 := sum_merge("n20_1"), n21_1 := sum_merge("n20_2"), n21_2 := count_partial("n18_5")] -> n21_0:DOUBLE, n21_1:DOUBLE, n21_2:BIGINT
Output: 1 rows (24B, 1 batches), Cpu time: 599.29us, Wall time: 2.19ms, Blocked wall time: 0ns, Peak memory: 0B, Memory allocations: 0, Threads: 1, CPU breakdown: B/I/O/F (81.71us/3.75us/485.23us/28.60us)
runningAddInputWallNanos sum: 4.60us, count: 1, min: 4.60us, max: 4.60us, avg: 4.60us
runningFinishWallNanos sum: 104.96us, count: 1, min: 104.96us, max: 104.96us, avg: 104.96us
runningGetOutputWallNanos sum: 1.65ms, count: 1, min: 1.65ms, max: 1.65ms, avg: 1.65ms
-- Aggregation[20][SINGLE [n18_5] n20_1 := sum_merge("n19_1"), n20_2 := sum_merge("n19_2")] -> n18_5:BIGINT, n20_1:DOUBLE, n20_2:DOUBLE
Output: 8 rows (256B, 1 batches), Cpu time: 749.37us, Wall time: 2.39ms, Blocked wall time: 0ns, Peak memory: 0B, Memory allocations: 0, Threads: 1, CPU breakdown: B/I/O/F (81.36us/3.65us/640.41us/23.95us)
queuedWallNanos sum: 2.00us, count: 1, min: 2.00us, max: 2.00us, avg: 2.00us
runningAddInputWallNanos sum: 4.63us, count: 1, min: 4.63us, max: 4.63us, avg: 4.63us
runningFinishWallNanos sum: 68.09us, count: 1, min: 68.09us, max: 68.09us, avg: 68.09us
runningGetOutputWallNanos sum: 2.09ms, count: 1, min: 2.09ms, max: 2.09ms, avg: 2.09ms
-- Aggregation[19][SINGLE [n18_5] n19_1 := sum_partial("n18_6"), n19_2 := sum_partial("n18_7")] -> n18_5:BIGINT, n19_1:DOUBLE, n19_2:DOUBLE
Output: 8 rows (256B, 1 batches), Cpu time: 823.88us, Wall time: 2.57ms, Blocked wall time: 0ns, Peak memory: 0B, Memory allocations: 0, Threads: 1, CPU breakdown: B/I/O/F (56.28us/17.21us/723.50us/26.89us)
```

### Gluten version

None