message: Fix wrong behavior of OnFileDeleted
diff: @@ -22,7 +22,15 @@ namespace BilibiliEvolved.Build.Watcher
  protected abstract void OnFileChanged(FileSystemEventArgs e);
  protected virtual void OnFileDeleted(FileSystemEventArgs e)
  {
  - OnFileChanged(e);
  + var minimizedFilename = ResourceMinifier.GetMinimizedFileName(e.FullPath);
  + if (File.Exists(minimizedFilename))
  + {
  + File.Delete(minimizedFilename);
  + }
  + builder
  + .GetBundleFiles()
  + .BuildBundle();
  + RebuildOutputs();
  }
  // protected void RebuildBundle()
  // {
  @@ -112,7 +120,8 @@ namespace BilibiliEvolved.Build.Watcher
  {
  // watcher.WaitForChanged(WatcherChangeTypes.All);
  await Task.Delay(HandleFileChangesPeriod);
  - if (changedFiles.IsEmpty) {
  + if (changedFiles.IsEmpty)
  + {
  continue;
  }
  lock (changedFiles)
  