fix: improve file system change reports for physical VFS libraries

Leave it 100% to Jellyfin for how to handle it when new series have been added to the VFS, instead of giving it a random folder in the root of the physical VFS and say it has changed.

Author: revam

Shokofin/Events/EventDispatchService.cs

@@ -359,8 +359,8 @@ private async Task ProcessFileEvents(int fileId, List<(UpdateReason Reason, int
 
                             result.Print(Logger, mediaFolderPath);
 
-                            // If all the "top-level-folders" exist, then let the core logic handle the rest.
-                            if (topFolders.All(path => LibraryManager.FindByPath(path, true) is not null)) {
+                            // If we're using a physical VFS or all the "top-level-folders" exist, then let the core logic handle the rest.
+                            if (vfsPath == mainMediaFolderPath || topFolders.All(path => LibraryManager.FindByPath(path, true) is not null)) {
                                 locationsToNotify.AddRange(vfsSymbolicLinks);
                             }
                             // Else give the core logic _any_ file or folder placed directly in the media folder, so it will schedule the media folder to be refreshed.
@@ -488,9 +488,8 @@ private void RemoveSymbolicLink(string filePath) {
     }
 
     private async Task ReportMediaFolderChanged(Folder mediaFolder, string pathToReport) {
-        // Don't block real-time file events on the media folder that uses a physical VFS root, or if real-time monitoring is disabled.
-        if (mediaFolder.Path.StartsWith(Plugin.Instance.VirtualRoot) ||
-            LibraryManager.GetLibraryOptions(mediaFolder) is not LibraryOptions libraryOptions ||
+        // Block real-time file events if real-time monitoring is disabled.
+        if (LibraryManager.GetLibraryOptions(mediaFolder) is not LibraryOptions libraryOptions ||
             !libraryOptions.EnableRealtimeMonitor
         ) {
             LibraryMonitor.ReportFileSystemChanged(pathToReport);