Exposed the LogInExistingDevice to JS - added it to CommRustModule
Depends on D11469
Called the RPC from JS on native. Repeated test plan from D11466. Additionally, triggering commCoreModule.setCommServicesAuthMetadata() with the new token is able to refresh user session
Rebase
Fix typo
A leftover dead code, the actual return createPromiseAsJSIValue is called at L567
Rebase before landing