Enable SyncNotificationsWithWorkManager in nightly and debug builds (#5573)

* Enable `SyncNotificationsWithWorkManager` in nightly and debug builds

* Fix tests

libraries/featureflag/api/src/main/kotlin/io/element/android/libraries/featureflag/api/FeatureFlags.kt

@@ -114,7 +114,8 @@ enum class FeatureFlags(
         title = "Sync notifications with WorkManager",
         description = "Use WorkManager to schedule notification sync tasks when a push is received." +
             " This should improve reliability and battery usage.",
-        defaultValue = { false },
+        // Enable by default on nightly and debug builds so we can get feedback before enabling it for everyone.
+        defaultValue = { meta -> meta.buildType != BuildType.RELEASE },
         isFinished = false,
     ),
 }

libraries/push/impl/src/test/kotlin/io/element/android/libraries/push/impl/push/DefaultPushHandlerTest.kt

@@ -690,7 +690,7 @@ class DefaultPushHandlerTest {
         notificationChannels: FakeNotificationChannels = FakeNotificationChannels(),
         pushHistoryService: PushHistoryService = FakePushHistoryService(),
         syncOnNotifiableEvent: SyncOnNotifiableEvent = SyncOnNotifiableEvent {},
-        featureFlagService: FakeFeatureFlagService = FakeFeatureFlagService(),
+        featureFlagService: FakeFeatureFlagService = FakeFeatureFlagService(initialState = mapOf(FeatureFlags.SyncNotificationsWithWorkManager.key to false)),
         workManagerScheduler: FakeWorkManagerScheduler = FakeWorkManagerScheduler(),
     ): DefaultPushHandler {
         return DefaultPushHandler(