Application switch using ALT + Tab not working anymore affter removing this extension

[jukey]

Steps to reproduce the problem

1. Open at least two applications
2. Use ALT + TAB to switch from one application to the other -> This should be possible
3. Install monitor-window-switcher extension
4. Use ALT + TAB to switch from one application to the other -> This should be possible
5. Disable monitor-window-switcher extension
6. Use ALT + TAB to switch from one application to the other

Expected outcome

Switching between applications should be possible

Actual outcome

Nothing happens.
If the extension gets enabled again it works as before.

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I am using Ubuntu 21.10, Wayland and Gnome 40.4.0
Lenovo ThinkPad x240