Refactor reactions / hand raised to use rxjs and start ordering tiles based on hand raised. (#2885)

* Add support for using CallViewModel for reactions sounds.

* Drop setting

* Convert reaction sounds to call view model / rxjs

* Use call view model for hand raised reactions

* Support raising reactions for matrix rtc members.

* Tie up last bits of useReactions

* linting

* Update calleventaudiorenderer

* Update reaction audio renderer

* more test bits

* All the test bits and pieces

* More refactors

* Refactor reactions into a sender and receiver.

* Fixup reaction toggle button

* Adapt reactions test

* Tests all pass.

* lint

* fix a couple of bugs

* remove unused helper file

* lint

* finnish notation

* Add tests for useReactionsReader

* remove mistaken vitest file

* fix

* filter

* invert

* fixup tests with fake timers

* Port useReactionsReader hook to ReactionsReader class.

* lint

* exclude some files from coverage

* Add screen share sound effect.

* cancel sub on destroy

* tidy tidy

src/room/GroupCallView.tsx

@@ -366,7 +366,7 @@ export const GroupCallView: FC<Props> = ({
         <ActiveCall
           client={client}
           matrixInfo={matrixInfo}
-          rtcSession={rtcSession as unknown as MatrixRTCSession}
+          rtcSession={rtcSession as MatrixRTCSession}
           participantCount={participantCount}
           onLeave={onLeave}
           hideHeader={hideHeader}