Misc small fixes

app/src/main/java/org/koitharu/kotatsu/local/domain/LocalMangaRepository.kt

@@ -7,6 +7,8 @@ import android.webkit.MimeTypeMap
 import androidx.collection.ArraySet
 import androidx.core.net.toFile
 import androidx.core.net.toUri
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.core.model.*
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.local.data.CbzFilter
@@ -127,14 +129,16 @@ class LocalMangaRepository(private val context: Context) : MangaRepository {
 		)
 	}
 
-	fun getRemoteManga(localManga: Manga): Manga? {
+	suspend fun getRemoteManga(localManga: Manga): Manga? {
 		val file = runCatching {
 			Uri.parse(localManga.url).toFile()
 		}.getOrNull() ?: return null
-		val zip = ZipFile(file)
-		val entry = zip.getEntry(MangaZip.INDEX_ENTRY)
-		val index = entry?.let(zip::readText)?.let(::MangaIndex) ?: return null
-		return index.getMangaInfo()
+		return withContext(Dispatchers.IO) {
+			val zip = ZipFile(file)
+			val entry = zip.getEntry(MangaZip.INDEX_ENTRY)
+			val index = entry?.let(zip::readText)?.let(::MangaIndex) ?: return@withContext null
+			index.getMangaInfo()
+		}
 	}
 
 	private fun zipUri(file: File, entryName: String) =

app/src/main/java/org/koitharu/kotatsu/local/ui/LocalListViewModel.kt

@@ -99,6 +99,7 @@ class LocalListViewModel(
 				runCatching {
 					historyRepository.deleteOrSwap(manga, original)
 				}
+				mangaList.value = mangaList.value?.filterNot { it.id == manga.id }
 			}
 			shortcutsRepository.updateShortcuts()
 			onMangaRemoved.call(manga)

app/src/main/java/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt

@@ -28,13 +28,8 @@ class TrackingRepository(
 		}
 		val tracks = db.tracksDao.findAll().groupBy { it.mangaId }
 		return mangaList
-			.mapNotNull {
-				if (it.source == MangaSource.LOCAL) {
-					localMangaRepository.getRemoteManga(it)
-				} else {
-					it
-				}
-			}.distinctBy { it.id }
+			.filterNot { it.source == MangaSource.LOCAL }
+			.distinctBy { it.id }
 			.map { manga ->
 				val track = tracks[manga.id]?.singleOrNull()
 				MangaTracking(