Fixed file permsions for android 10 + made download error notifcation expandable

app/src/main/AndroidManifest.xml

@@ -22,6 +22,7 @@
         android:hardwareAccelerated="true"
         android:usesCleartextTraffic="true"
         android:icon="@mipmap/ic_launcher"
+        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"
         android:largeHeap="true"

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

@@ -215,6 +215,7 @@ internal class DownloadNotifier(private val context: Context) {
         with(notification) {
             setContentTitle(chapter ?: context.getString(R.string.download_notifier_downloader_title))
             setContentText(error ?: context.getString(R.string.download_notifier_unkown_error))
+            setStyle(NotificationCompat.BigTextStyle().bigText(error ?: context.getString(R.string.download_notifier_unkown_error)))
             setSmallIcon(android.R.drawable.stat_sys_warning)
             setCategory(NotificationCompat.CATEGORY_ERROR)
             clearActions()