Fix distributed_group_by_no_merge = 2 with GROUP BY and Aggregate Functions

Fix distributed_group_by_no_merge = 2 with GROUP BY and aggregate function wrapped into regular function (had been broken in #23546). Throw exception in case of someone trying to use distributed_group_by_no_merge = 2 with window functions. Disable optimize_distributed_group_by_sharding_key for queries with window functions. #23906 (Azat Khuzhin).