[music] Fix slskd import command

plugins/music.lisp

@@ -288,7 +288,7 @@
     ;; Import complete
     (when (every #'slskd-file-succeeded-p files)
       (send-notify (get-import-notify (get-slskd-dir-info dir) "Добавляем"))
-      (run-import (slskd-get-download-path dir))
+      (run-import (list (slskd-get-download-path dir)))
       (loop for file in files do (slskd-remove-download file))
       (request-chad-music-rescan))))