chore(query): add DistinctToGroupBy

[sundy-li]

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Summary

Summary about this PR

-- before
MySQL [(none)]> select count_distinct(UserID) from hits_native;
+------------------------+
| count_distinct(userid) |
+------------------------+
|               17630976 |
+------------------------+
1 row in set (2.108 sec)


-- after
MySQL [(none)]> select count_distinct(UserID) from hits_native;
+----------+
| count()  |
+----------+
| 17630976 |
+----------+
1 row in set (0.656 sec)

Closes #issue

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Name	Status	Preview	Updated
databend	⬜️ Ignored (Inspect)		Jan 15, 2023 at 9:27AM (UTC)