Sort album view by track position.

app/src/main/java/com/github/apognu/otter/repositories/TracksRepository.kt

@@ -25,6 +25,6 @@ class TracksRepository(override val context: Context?, albumId: Int) : Repositor
     data.map { track ->
       track.favorite = favorites.contains(track.id)
       track
-    }
+    }.sortedBy { it.position }
   }
 }

app/src/main/java/com/github/apognu/otter/utils/Models.kt

@@ -75,6 +75,7 @@ data class Track(
   val title: String,
   val artist: Artist,
   val album: Album,
+  val position: Int,
   val uploads: List<Upload>
 ) {
   var current: Boolean = false