No, it is a non-customisable shortcut.
If you go into your Work Environment > Shortcut Schemes > Keyboard Shortcuts, you can list all of the shortcuts in your browser.
You will see all the non-customisable shortcuts at the bottom of the list.
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11