Minor cleanups

Pulling out some of the smaller changes that aren't related to the manga controller changes in #7244

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt

@@ -151,7 +151,7 @@ class ReaderPresenter(
 
     private var hasTrackers: Boolean = false
     private val checkTrackers: (Manga) -> Unit = { manga ->
-        val tracks = db.getTracks(manga).executeAsBlocking()
+        val tracks = db.getTracks(manga.id).executeAsBlocking()
 
         hasTrackers = tracks.size > 0
     }
@@ -755,7 +755,7 @@ class ReaderPresenter(
         val context = Injekt.get<Application>()
 
         launchIO {
-            db.getTracks(manga).executeAsBlocking()
+            db.getTracks(manga.id).executeAsBlocking()
                 .mapNotNull { track ->
                     val service = trackManager.getService(track.sync_id)
                     if (service != null && service.isLogged && chapterRead > track.last_chapter_read) {