Adjust some scopes

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -16,8 +16,8 @@ import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.fetchAllImageUrlsFromPageList
 import eu.kanade.tachiyomi.util.lang.RetryWithDelay
+import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.lang.launchNow
-import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.lang.plusAssign
 import eu.kanade.tachiyomi.util.storage.DiskUtil
 import eu.kanade.tachiyomi.util.storage.saveTo
@@ -228,8 +228,8 @@ class Downloader(
      * @param chapters the list of chapters to download.
      * @param autoStart whether to start the downloader after enqueing the chapters.
      */
-    fun queueChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean) = launchUI {
-        val source = sourceManager.get(manga.source) as? HttpSource ?: return@launchUI
+    fun queueChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean) = launchIO {
+        val source = sourceManager.get(manga.source) as? HttpSource ?: return@launchIO
         val wasEmpty = queue.isEmpty()
         // Called in background thread, the operation can be slow with SAF.
         val chaptersWithoutDir = async {

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -36,6 +36,7 @@ import eu.kanade.tachiyomi.util.system.isServiceRunning
 import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.async
@@ -320,7 +321,7 @@ class LibraryUpdateService(
             val handler = CoroutineExceptionHandler { _, exception ->
                 Timber.e(exception)
             }
-            ioScope.launch(handler) {
+            GlobalScope.launch(Dispatchers.IO + handler) {
                 val updatedManga = source.getMangaDetails(manga.toMangaInfo())
                 val sManga = updatedManga.toSManga()
                 // Avoid "losing" existing cover