Update toast styles, improve incoming call notifications (#33043)

* Update design of incoming call notifications

* Make toast show avatars of group call participants

* Further expand test coverage for call notifications

* Update screenshots

* Update screenshots

* Delete unused variables

* Upgrade Element Call to v0.19.2

For the new group call intents.

* Consolidate some branches

* Apply Compound spacing variables a little more

* Fix lints

* Exclude Element Call assets from being re-minified to fix build

apps/web/package.json

@@ -125,7 +125,7 @@
         "@babel/preset-react": "^7.12.10",
         "@babel/preset-typescript": "^7.12.7",
         "@casualbot/jest-sonar-reporter": "2.6.0",
-        "@element-hq/element-call-embedded": "0.19.1",
+        "@element-hq/element-call-embedded": "0.19.2",
         "@element-hq/element-web-playwright-common": "workspace:*",
         "@fetch-mock/jest": "^0.2.20",
         "@jest/globals": "^30.2.0",