message: Add `!enabled()` check to ListBoxBase mouse wheel event
diff: @@ -165,7 +165,7 @@ void ListBoxBase::onMouseMove(int x, int y, int /*relX*/, int /*relY*/)
  */
  void ListBoxBase::onMouseWheel(int /*x*/, int y)
  {
  - if (!visible()) { return; }
  + if (!enabled() || !visible()) { return; }
  if (!mHasFocus) { return; }
  float change = static_cast<float>(mItemHeight);
  