Applying keyboard shortcut in Window Rules does not work

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1

I have set a window rule to apply keyboard shortcut to the specific window:

window rules - apply shortcut
window rules - apply shortcut958×422 48.9 KB

but the shortcut does not work.
I can see that the window is being matched by setting opacity in the same rule so the
problem is with applying the shortcut not matching a window.
I have similar rules which apply keyboard shortcuts for other windows and they work properly.
I tried different keyboard shortcuts and nothing worked.

Any idea what might be the reason?

Here are window properties shown by using Detect Window Properties button:

window rules - window properties
window rules - window properties511×948 50.2 KB

Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.4-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7600 6-Core Processor
Memory: 14,8 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: ASUS