Modal Window Still Clickable #261

Describe the bug If we make a window modal while using lcui window will be still clickable and it just stop update rendering.

To Reproduce Steps to reproduce the behavior:

1. Create your application
2. Create a button
3. Execute a message box on button click
4. Click on the button again without closing message box

Expected behavior Inputs must be blocked when a window is in modal mode.

Environment (please complete the following information):

• LCUI version: 2.2
• Build tools: VS 2022