Support using Element Call for voice calls in DMs (#30817)

* Add voiceOnly options.

* tweaks

* Nearly working demo

* Lots of minor fixes

* Better working version

* remove unused payload

* bits and pieces

* Cleanup based on new hints

* Simple refactor for skipLobby (and remove returnToLobby)

* Tidyup

* Remove unused tests

* Update tests for voice calls

* Add video room support.

* Add a test for video rooms

* tidy

* remove console log line

* lint and tests

* Bunch of fixes

* Fixes

* Use correct title

* make linter happier

* Update tests

* cleanup

* Drop only

* update snaps

* Document

* lint

* Update snapshots

* Remove duplicate test

* add brackets

* fix jest

src/utils/room/placeCall.ts

@@ -27,7 +27,8 @@ export const placeCall = async (
     room: Room,
     callType: CallType,
     platformCallType: PlatformCallType,
-    skipLobby?: boolean,
+    skipLobby: boolean | undefined,
+    voiceOnly: boolean,
 ): Promise<void> => {
     const { analyticsName } = getPlatformCallTypeProps(platformCallType);
     PosthogTrackers.trackInteraction(analyticsName);
@@ -39,6 +40,7 @@ export const placeCall = async (
             action: Action.ViewRoom,
             room_id: room.roomId,
             view_call: true,
+            voiceOnly,
             skipLobby,
             metricsTrigger: undefined,
         });