message: Close the shortcuts modal with Esc key
  Fixes
diff: @@ -43,6 +43,9 @@ function improveShortcutHelp() {
  // Remove redundant "Show All" button
  select('.js-see-all-keyboard-shortcuts').remove();
  + // Close the modal with Esc
  + select('.js-facebox-close').dataset.hotkey = 'Escape';
  +
  const modal = select('.shortcuts');
  const groupElements = select.all('tbody', modal);
  for (const groupElement of groupElements) {
  