Restart into firmware settings directly from OS Version 6+ (GNOME 46+): Hold Shift and click "Restart..." option to trigger restart into firmware settings. Version 4 and below (GNOME 43): Hold Shift and click the power button in system menu to invoke restart into firmware settings dialog. Any suggestion is appreciated on GitHub!
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You cannot import `Gdk` to the GNOME Shell process (line 21 `extension.js`): [EGO Review Guidelines: import](https://gjs.guide/extensions/review-guidelines/review-guidelines.html#do-not-import-gtk-libraries-in-gnome-shell) You can use [Clutter.ModifierType](https://gjs-docs.gnome.org/clutter15~15/clutter.modifiertype) instead.