Fix widgets context leak

app/src/main/java/org/koitharu/kotatsu/widget/recent/RecentWidgetService.kt

@@ -7,6 +7,6 @@ import org.koin.android.ext.android.get
 class RecentWidgetService : RemoteViewsService() {
 
 	override fun onGetViewFactory(intent: Intent): RemoteViewsFactory {
-		return RecentListFactory(this, get(), get())
+		return RecentListFactory(applicationContext, get(), get())
 	}
 }

app/src/main/java/org/koitharu/kotatsu/widget/shelf/ShelfWidgetService.kt

@@ -12,6 +12,6 @@ class ShelfWidgetService : RemoteViewsService() {
 			AppWidgetManager.EXTRA_APPWIDGET_ID,
 			AppWidgetManager.INVALID_APPWIDGET_ID
 		)
-		return ShelfListFactory(this, get(), get(), widgetId)
+		return ShelfListFactory(applicationContext, get(), get(), widgetId)
 	}
 }