Hangup when last person in call (based on url params) (#3372)

* Introduce condigurable auto leave option

* Read url params for auto leave

* add tests

* rename url param to `autoLeave`

* lint

Signed-off-by: Timo K <toger5@hotmail.de>

* fix scope in CallViewModel tests

Signed-off-by: Timo K <toger5@hotmail.de>

* use auto leave in DM case

Signed-off-by: Timo K <toger5@hotmail.de>

* Make last once leave logic based on matrix user id (was participant id before)

Signed-off-by: Timo K <toger5@hotmail.de>

* add test for multi device auto leave

Signed-off-by: Timo K <toger5@hotmail.de>

---------

Signed-off-by: Timo K <toger5@hotmail.de>

src/utils/test-fixtures.ts

@@ -12,7 +12,11 @@ import {
   mockLocalParticipant,
 } from "./test";
 
-export const localRtcMember = mockRtcMembership("@carol:example.org", "CCCC");
+export const localRtcMember = mockRtcMembership("@carol:example.org", "1111");
+export const localRtcMemberDevice2 = mockRtcMembership(
+  "@carol:example.org",
+  "2222",
+);
 export const local = mockMatrixRoomMember(localRtcMember);
 export const localParticipant = mockLocalParticipant({ identity: "" });
 export const localId = `${local.userId}:${localRtcMember.deviceId}`;