ULauncher Hotkey (CTRL + SPACE) doesn't activate with Fedora 34

I installed Ulauncher (V5.14.0) with Fedora 34, it runs fine, but the Hotkey (Ctrl + Space) to launch it doesn’t work, any idea? Thanks

https://discussion.fedoraproject.org/t/gnome-settings-automatically-set-unwanted-keyboard-shortcut-that-cause-conflict-with-another-keyboard-shortcut/16246/2?u=grumpey