[fix] flatpak hack to get XDG DIR DOWNLOAD to work

src/main.c

@@ -5,5 +5,9 @@
 int
 main (int argc, char *argv[])
 {
+  if (g_get_user_special_dir(G_USER_DIRECTORY_DOWNLOAD) == NULL) {
+    g_spawn_command_line_sync("xdg-user-dirs-update", NULL, NULL, NULL, NULL);
+  }
+
   return g_application_run (G_APPLICATION (teleport_app_new ()), argc, argv);
 }