Aggregate expression with filter is incorrectly translated to Comet aggregate native aggregation expression #283
Description
Describe the bug
Another one bug found while fixing test failures in #250.
Aggregate expression with filer is incorrectly translated to Comet aggregate native aggregation expression without filter now. It causes at least one query failure.
For example, in org.apache.spark.sql.SQLQueryTestSuite:
[info] - count.sql *** FAILED *** (3 seconds, 483 milliseconds)
[info] count.sql
[info] Expected "[1 1]", but got "[2 2]" Result did not match for query #7
[info] SELECT count(DISTINCT 2), count(DISTINCT 3,2) (SQLQueryTestSuite.scala:495)
Steps to reproduce
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Expected behavior
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Additional context
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