Ensure call sound effects are played over the correct sink (#2863)

* Refactor to use AudioContext

* Remove unused audio format.

* Reduce update frequency for volume

* Port to useAudioContext

* Port reactionaudiorenderer to useAudioContext

* Integrate raise hand sound into call event renderer.

* Simplify reaction sounds

* only play one sound per reaction type

* Start to build out tests

* fixup tests / comments

* Fix reaction sound

* remove console line

* Remove another debug line.

* fix lint

* Use testing library click

* lint

* fix a few things

* Change the way we as unknown the mock RTC session.

* Lint

* Fix types for MockRTCSession

* value change should always be set

* Update volume slider description.

* Only load reaction sound effects if enabled.

* cache improvements

* lowercase soundMap

* lint

* move prefetch sounds to fix hot reload

* correct docs

* add a header

* Wording change

---------

Co-authored-by: Hugh Nimmo-Smith <hughns@element.io>

locales/de/app.json

@@ -147,7 +147,6 @@
   "screenshare_button_label": "Bildschirm teilen",
   "settings": {
     "audio_tab": {
-      "effect_volume_description": "Lautstärke anpassen, mit der Reaktionen und Handmeldungen abgespielt werden",
       "effect_volume_label": "Lautstärke der Soundeffekte"
     },
     "developer_settings_label": "Entwicklereinstellungen",

locales/en/app.json

@@ -147,7 +147,7 @@
   "screenshare_button_label": "Share screen",
   "settings": {
     "audio_tab": {
-      "effect_volume_description": "Adjust the volume at which reactions and hand raised effects play",
+      "effect_volume_description": "Volume for sound effects such as: joining or leaving a call, and reactions.",
       "effect_volume_label": "Sound effect volume"
     },
     "developer_settings_label": "Developer Settings",