message: Fix firefox event check
diff: @@ -16,7 +16,7 @@ export function isiOSBrowser() {
  * to page contents. This is the only way I found to distinguish them.
  */
  export function isEventFromFirefoxScrollbar(e: React.PointerEvent | React.MouseEvent) {
  - if ('originalTarget' in e.nativeEvent) {
  + if (e.nativeEvent && 'originalTarget' in e.nativeEvent) {
  try {
  // The target object is owned by the browser and will throw an exception if you try to access it
  Object.keys((e.nativeEvent as any).originalTarget);
  