* fix: same member count in header and member list * test: update test * chore: use `useRoomMemberCount` to compute member count in member list * test: add event emitter function on mocked `room.currentState`
* fix: same member count in header and member list * test: update test * chore: use `useRoomMemberCount` to compute member count in member list * test: add event emitter function on mocked `room.currentState`