window title (dwl/window) styling for inactive screen in Mangowc and dwl

**Description** -- Currently we cannot use window#waybar.empty like [sway](https://github.com/Alexays/Waybar/wiki/Module:-Sway#:~:text=window%23waybar%2Eempty) , [hyprland](https://github.com/Alexays/Waybar/wiki/Module:-Hyprland#window:~:text=window%23waybar%2Eempty%20When%20no%20windows%20are%20in%20the%20workspace) , [niri](https://github.com/Alexays/Waybar/wiki/Module:-Niri#:~:text=window%23waybar%2Eempty%20When%20no%20windows%20are%20in%20the%20workspacel) in Mangowc and dwl <img width="2160" height="81" alt="Image" src="https://github.com/user-attachments/assets/158e1119-789f-4e19-828d-46ca1c2f1005" /> So how can i hide window title when no window is present , i cannot use something like below ```css /* make window module transparent when no windows present */ window#waybar.empty #window { background-color: transparent; } ``` and pull request implementing this are not being merged for some reasons 1. https://github.com/Alexays/Waybar/pull/4963 ( My pull request ) 2. https://github.com/Alexays/Waybar/pull/3924 3. https://github.com/Alexays/Waybar/pull/3926