Work around LiveKit's overly constrained dependencies

We need compatible versions of RxJS in our dependencies and LiveKit's dependencies, but LiveKit has pinned it to a very specific version which is now holding us back from updating. See livekit/components-js#1101 for a request for a proper solution.

Author: robintown

package.json

@@ -120,6 +120,7 @@
     "vitest-axe": "^1.0.0-pre.3"
   },
   "resolutions": {
+    "@livekit/components-core/rxjs": "^7.8.1",
     "matrix-widget-api": "1.11.0"
   }
 }

yarn.lock

@@ -7636,14 +7636,7 @@ rxjs-report-usage@^1.0.4:
     glob "~7.2.0"
     prompts "~2.4.2"
 
-[email protected]:
-  version "7.8.1"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.8.1.tgz#6f6f3d99ea8044291efd92e7c7fcf562c4057543"
-  integrity sha512-AA3TVj+0A2iuIoQkWEK/tqFjBq2j+6PO6Y0zJcvzLAFhEFIO3HL0vls9hWLncZbAAbK0mar7oZ4V079I/qPMxg==
-  dependencies:
-    tslib "^2.1.0"
-
-rxjs@^7.5.2, rxjs@^7.8.1:
+[email protected], rxjs@^7.5.2, rxjs@^7.8.1:
   version "7.8.2"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.8.2.tgz#955bc473ed8af11a002a2be52071bf475638607b"
   integrity sha512-dhKf903U/PQZY6boNNtAGdWbG85WAbjT/1xYoZIC7FAY0yWapOBQVsVrDl58W86//e1VpMNBtRV4MaXfdMySFA==