Don't attempt to check chapter download status for local chapters

Fixes #8541

(cherry picked from commit 8c1171a72256f76972e787d53e182869df2a87d4)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt

@@ -69,6 +69,7 @@ import eu.kanade.tachiyomi.source.PagePreviewSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.getNameForMangaInfo
+import eu.kanade.tachiyomi.source.isLocal
 import eu.kanade.tachiyomi.source.online.MetadataSource
 import eu.kanade.tachiyomi.source.online.all.MergedSource
 import eu.kanade.tachiyomi.ui.manga.track.TrackItem
@@ -940,12 +941,19 @@ class MangaInfoScreenModel(
             .filterNot { it in listOf("all", "other") }
         // SY <--
         return map { chapter ->
-            val activeDownload = downloadManager.queue.find { chapter.id == it.chapter.id }
+            val activeDownload = if (isLocal) {
+                null
+            } else {
+                downloadManager.queue.find { chapter.id == it.chapter.id }
+            }
             // SY -->
             val manga = mergedData?.manga?.get(chapter.mangaId) ?: manga
             val source = mergedData?.sources?.find { manga.source == it.id }?.takeIf { mergedData.sources.size > 2 }
             // SY <--
-            val downloaded = downloadManager.isChapterDownloaded(
+            val downloaded = if (isLocal) {
+                true
+            } else {
+                downloadManager.isChapterDownloaded(
                     // SY -->
                     chapter.name,
                     chapter.scanlator,
@@ -953,11 +961,13 @@ class MangaInfoScreenModel(
                     manga.source,
                     // SY <--
                 )
+            }
             val downloadState = when {
                 activeDownload != null -> activeDownload.status
                 downloaded -> Download.State.DOWNLOADED
                 else -> Download.State.NOT_DOWNLOADED
             }
+
             ChapterItem(
                 chapter = chapter,
                 downloadState = downloadState,