Fix workers scheduling

app/src/main/kotlin/org/koitharu/kotatsu/core/BaseApp.kt

@@ -55,7 +55,7 @@ open class BaseApp : Application(), Configuration.Provider {
 	lateinit var appValidator: AppValidator
 
 	@Inject
-	lateinit var workScheduleManager: Provider<WorkScheduleManager>
+	lateinit var workScheduleManager: WorkScheduleManager
 
 	@Inject
 	lateinit var workManagerProvider: Provider<WorkManager>
@@ -83,7 +83,7 @@ open class BaseApp : Application(), Configuration.Provider {
 		processLifecycleScope.launch(Dispatchers.Default) {
 			setupDatabaseObservers()
 		}
-		workScheduleManager.get().init()
+		workScheduleManager.init()
 		WorkServiceStopHelper(workManagerProvider).setup()
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/settings/work/WorkScheduleManager.kt

@@ -9,7 +9,9 @@ import org.koitharu.kotatsu.settings.backup.PeriodicalBackupWorker
 import org.koitharu.kotatsu.suggestions.ui.SuggestionsWorker
 import org.koitharu.kotatsu.tracker.work.TrackWorker
 import javax.inject.Inject
+import javax.inject.Singleton
 
+@Singleton
 class WorkScheduleManager @Inject constructor(
 	private val settings: AppSettings,
 	private val suggestionScheduler: SuggestionsWorker.Scheduler,