mpv: Disable thumbnails auto-generation

hm/desktop.nix

@@ -537,6 +537,7 @@ in
         scripts = with pkgs.mpvScripts; [ thumbnail ];
         scriptOpts = {
           mpv_thumbnail_script = {
+            autogenerate = false; # TODO It creates too many processes at once, crashing the system
             cache_directory = "/tmp/mpv_thumbs_${config.home.username}";
             mpv_hwdec = "auto-safe";
           };