Pressing space causes high CPU usage

[chocolateimage]

In the keyboard settings in the "Shortcuts" tab, pressing space or enter while a category is selected, causes high CPU usage for some amount of seconds and freezing the settings window.

Here is a preview video (ignore the resources statistic at the end, OBS made the chart not really distinguishable but it still happens without OBS):

weirdbug.mp4

Information:
Linux Mint 22.1
Cinnamon 6.4.8