2023.10.9.0

YT.VideoListForm: hide clear and delete buttons in menu; add 'BTT_CLEAR_SELECTED' button
API.Base.TokenBatch: add debug option
API.ALL: fix missing posts
API.JFF: rewrite m3u8 downloader; add ffmpeg requirement for the download; fixed missing posts; fixed download to the date; fixed corrupted files
DownloadableMediaHost: remove thumbnail when removed from list if thumbnail is stored in cache

SCrawler/PluginsEnvironment/Hosts/DownloadableMediaHost.vb

@@ -41,6 +41,11 @@ Namespace Plugin.Hosts
                 FileSetManually = True
             End Set
         End Property
+        Public Overrides Sub Delete(ByVal RemoveFiles As Boolean)
+            MyBase.Delete(RemoveFiles)
+            If Not RemoveFiles And Not Settings.STDownloader_SnapshotsKeepWithFiles And Settings.STDownloader_SnapShotsCachePermamnent Then _
+               ThumbnailFile.Delete(SFO.File, SFODelete.DeleteToRecycleBin, EDP.None)
+        End Sub
         Friend Sub New(ByVal URL As String, ByVal OutputFile As SFile)
             Me.URL = URL
             Me.File = OutputFile