Add support for Asterisk and QualifiedAsterisk in GROUP BY

[lukaseder]

This is valid in ClickHouse:

create table t (i int, j int) engine = Log();
insert into t values (1, 1),(1, 1),(1, 2);

select *
from t
group by t.*, *;

Producing the expected:

|i  |j  |
|---|---|
|1  |2  |
|1  |1  |

I mean, why not? We can support this syntax and emulate it:

• In the DSL API
• In the QOM API
• In the parser

This doesn't look like an incompatible change as Select::$groupBy returns UnmodifiableList<? extends GroupField> and GroupField can have new subtypes.