Pop-up menus close immediately when "Input Source Switching" is set to per-window

Reproduction steps:
1. Open the “Keyboard” settings on your distribution
2. Set “Input Source Switching” option to “Switch input sources individually for each window”
3. Create a new 3D URP project
4. Open the “Scenes/SampleScene” Scene
5. Select the “Global Volume” GameObject in the Hierarchy window
6. Press the “Add Override” button in the Inspector window

Expected result: Menu is shown
Actual result: Menu is instantly closed

Reproducible with: 2022.3.57f1, 6000.0.37f1, 6000.1.0b5, 6000.2.0a2

Reproducible on: Ubuntu 24.04, Ubuntu 24.04, Arch (user)
Not reproducible on: No other environments tested

Notes:

• The issue does not reproduce using Wayland
• Menus like “Right-click” or “Add Component” are not affected by this