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

vitest.config.js

@@ -16,7 +16,12 @@ export default defineConfig((configEnv) =>
         coverage: {
           reporter: ["html", "json"],
           include: ["src/"],
-          exclude: ["src/**/*.{d,test}.{ts,tsx}", "src/utils/test.ts"],
+          exclude: [
+            "src/**/*.{d,test}.{ts,tsx}",
+            "src/utils/test.ts",
+            "src/utils/test-viewmodel.ts",
+            "src/utils/test-fixtures.ts",
+          ],
         },
       },
     }),