Implement PartialEq, Hash for all UDAFs (`AggregateUDFImpl`)

[findepi]

Implement PartialEq, Hash for all UDAFs (AggregateUDFImpl) that do not implement PartialEq, Hash yet.
This should boil down to adding #[derive(PartialEq, Hash)] to all of them.

• depends on Derive UDAF (AggregateUDFImpl) equality from PartialEq, Hash #16866