2023.6.5.0

YT settings: removed property 'ItemsListLimit', add property 'ReplaceModificationDate'
YT.MediaItem: fix 'Pending'
YT.VideoListForm: add 'Shift' to add without downloading; add 'F5' hot key to start download; remove list items limit; fix item 'Pending', fixed items queue

UserDataBase: add 'IconBannerDownloaded' properties; add 'HOST.Available' check to 'DownloadSingleObject'; update file deletion in 'DownloadContentDefault'; add truncating '_TempPostsList' if number of ids > 1000
Instagram: add authorization headers
Mastodon: implement 'DownloadIconBanner'; update 'ReparseMissing' function
Reddit: implement 'DownloadIconBanner'
Twitter: implement 'DownloadIconBanner'; update parsers to parse posts with two videos; implement gallery-dl for all function; remove headers from settings
Download.DownloadProgress: remove main progress perform when downloading saved posts
VideoDownloaderForm: bind the 'BTT_ADD_URLS_ARR' button to the 'BTT_ADD_KeyClick' function
UsersInfoForm: add folder opening on double click on an item
ListImagesLoader: fix refill bug when the number of filtered profiles = 0
TrayIcon: add standalone downloader to context menu
DownloadableMediaHost: fix a bug when not downloaded videos do not appear in the list when loading the program

SCrawler/PluginsEnvironment/Hosts/DownloadableMediaHost.vb

@@ -23,6 +23,15 @@ Namespace Plugin.Hosts
         End Property
         Friend Property Instance As UserDataBase
         Friend ReadOnly Property ExternalSource As IDownloadableMedia = Nothing
+        Public Overrides ReadOnly Property Exists As Boolean
+            Get
+                If SiteKey = API.YouTube.YouTubeSiteKey Then
+                    Return MyBase.Exists
+                Else
+                    Return _Exists
+                End If
+            End Get
+        End Property
         Public Overrides Property File As SFile
             Get
                 Return _File
@@ -128,7 +137,7 @@ Namespace Plugin.Hosts
         End Sub
         Public Overrides Sub Load(ByVal f As SFile)
             MyBase.Load(f)
-            If _Exists Then _Exists = File.Exists
+            If _Exists Then _Exists = Not MediaState = UserMediaStates.Downloaded OrElse File.Exists
         End Sub
         Public Overrides Sub Save()
             If FileSettings.IsEmptyString Then
@@ -142,6 +151,9 @@ Namespace Plugin.Hosts
                 x.Save(FileSettings)
             End Using
         End Sub
+        Public Overrides Function GetHashCode() As Integer
+            Return URL.GetHashCode
+        End Function
         Protected Overrides Sub Dispose(ByVal disposing As Boolean)
             If Not disposedValue And disposing Then Instance.DisposeIfReady() : ExternalSource.DisposeIfReady(False)
             MyBase.Dispose(disposing)