message: Compute download file icon immediately
  Build process changes may have changed the load order, so this tintable is now
  registered too late (after the theme is set).
  Fixes
diff: @@ -143,10 +143,14 @@ class Tinter {
  * over time then the best bet is to register a single callback for the
  * entire set.
  *
  + * To ensure the tintable work happens at least once, it is also called as
  + * part of registration.
  + *
  * @param {Function} tintable Function to call when the tint changes.
  */
  registerTintable(tintable) {
  this.tintables.push(tintable);
  + tintable();
  }
  getKeyRgb() {
  