Test that the local user can see their own screen share

To make this test work I had to extend the mocking of the CallViewModel tests to make a local connection object exist.

src/initializer.test.ts

@@ -18,7 +18,7 @@ import {
 
 import { mockConfig } from "./utils/test";
 
-const sentryInitSpy = vi.fn();
+const sentryInitSpy = vi.hoisted(() => vi.fn());
 
 // Place the mock after the spy is defined
 vi.mock("@sentry/react", () => ({