message: Fix `improve-shortcut-help`
diff: @@ -13,7 +13,7 @@ function improveShortcutHelp(dialog: Element): void {
  select('.Box-body .col-5 .Box:first-child', dialog)!.after(
  <div className="Box Box--condensed m-4">
  <div className="Box-header">
  - <h3 className="Box-title">Added by Refined GitHub</h3>
  + <h2 className="Box-title">Refined GitHub</h2>
  </div>
  <ul>
  @@ -21,7 +21,7 @@ function improveShortcutHelp(dialog: Element): void {
  <li className="Box-row d-flex flex-row">
  <div className="flex-auto">{description}</div>
  <div className="ml-2 no-wrap">
  - <kbd>{hotkey}</kbd>
  + {splitKeys(hotkey)}
  </div>
  </li>
  ))}
  @@ -30,18 +30,9 @@ function improveShortcutHelp(dialog: Element): void {
  );
  }
  -function fixKeys(dialog: Element): void {
  - for (const key of select.all('kbd', dialog)) {
  - if (key.textContent!.includes(' ')) {
  - key.replaceWith(...splitKeys(key.textContent!));
  - }
  - }
  -}
  -
  const observer = new MutationObserver(([{target}]) => {
  if (target instanceof Element && !select.exists('.js-details-dialog-spinner', target)) {
  improveShortcutHelp(target);
  - fixKeys(target);
  observer.disconnect();
  }
  });
  @@ -51,7 +42,7 @@ function observeShortcutModal({key, target}: KeyboardEvent): void {
  return;
  }
  - const modal = select('body > details > details-dialog');
  + const modal = select('body > details:not(.js-command-palette-dialog) > details-dialog');
  if (modal) {
  observer.observe(modal, {childList: true});
  }
  