* Add function to fetch clients of remote members

* Fetch remote clients when sending messages

* Mock federator in one of the proteus tests

* missing clients test - use mock federator

* Bilge: add assertResponse (TODO: own PR)

* redudant and deleted clients: use mock federator

* Fix expectation in redundant and deleted test

* Add mock federator for ignore missing test

* Better failure messages for mismatch assertions

* Do not use hardcoded string for local domain

* Update CHANGELOG

Co-authored-by: Akshay Mankar <akshay@wire.com>

* Simplify assertion

* Parallelise getUserClients RPCs

Co-authored-by: Stefan Matting <stefan@wire.com>
Co-authored-by: Akshay Mankar <akshay@wire.com>