* Improve `FetchPushForegroundService`'s reliability
- Don't use DI, we can just create the notification channel. This should speed up the creation of the service and reduce the number of `ForegroundServiceDidNotStartInTimeException` received. Also use `MainScope` instead of the app's coroutine scope.
- Move the wakelock releasing mechanism to `onDestroy` so it's always used. Previously, this would only happen when `stopService` was called, which would only happen when `stopSelf()` is called, but not when the OS or the service manager stops the service.
* Add fallback value for the notification channel title
* Replace the wrong string for the notification/channel title
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Co-authored-by: Benoit Marty <benoitm@element.io>
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