Set the application on all windows
Review Request #3664 — Created Nov. 21, 2024 and submitted — Latest diff uploaded
In some DEs (like GNOME), this allows grouping them all together.
It also restores the "construction" style in the title bar (for Adwaita stuff at least).
Opened all the windows, and Alt-Tab now groups things together. Also checked in the inspector that the property was set on the windows.