fix: https://github.com/ArthurSonzogni/FTXUI/issues/296#issue-1092343846
When the list in Radiobox/Menu/Toggle is resized, clamp the |selected_| values so that it stays within bounds.
Clamping is executed in Render() and in OnEvent()
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>