Add option to order favorites by reading progress

app/src/main/kotlin/org/koitharu/kotatsu/favourites/data/FavouritesDao.kt

@@ -169,6 +169,7 @@ abstract class FavouritesDao {
 		ListSortOrder.NEWEST -> "favourites.created_at DESC"
 		ListSortOrder.ALPHABETIC -> "manga.title ASC"
 		ListSortOrder.NEW_CHAPTERS -> "(SELECT chapters_new FROM tracks WHERE tracks.manga_id = manga.manga_id) DESC"
+		ListSortOrder.PROGRESS -> "(SELECT percent FROM history WHERE history.manga_id = manga.manga_id) DESC"
 		else -> throw IllegalArgumentException("Sort order $sortOrder is not supported")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/list/domain/ListSortOrder.kt

@@ -23,7 +23,7 @@ enum class ListSortOrder(
 	companion object {
 
 		val HISTORY: Set<ListSortOrder> = EnumSet.of(UPDATED, NEWEST, PROGRESS, ALPHABETIC, NEW_CHAPTERS)
-		val FAVORITES: Set<ListSortOrder> = EnumSet.of(ALPHABETIC, NEWEST, RATING, NEW_CHAPTERS)
+		val FAVORITES: Set<ListSortOrder> = EnumSet.of(ALPHABETIC, NEWEST, RATING, NEW_CHAPTERS, PROGRESS)
 		val SUGGESTIONS: Set<ListSortOrder> = EnumSet.of(RELEVANCE)
 
 		operator fun invoke(value: String, fallback: ListSortOrder) = entries.find(value) ?: fallback