Add CLI query to return `Counterparty` for a given client identifier

[crodriguezvega]

Using the gRPC query added in #7116, add a CLI query that returns the Counterparty associated with a given client identifier.

[vishal-kanna]

@crodriguezvega I would like to work on it

[crodriguezvega]

@vishal-kanna Let's get the gRPC issue done first and then I can assign this one as well to you. :)

[DimitrisJim]

boop this can probably be picked up, are you still up for it @vishal-kanna?