Shortcuts in menu without macos symbols (e.g. cmd)

## Description of the bug
Shortcuts in menu are partially displayed without macos symbols: cmd symbol is replaced by Mod2
![Bildschirmfoto 2024-01-04 um 20 35 15](https://github.com/lologor/ansel/assets/7421267/44221b0c-5a07-4357-bc7e-5c37a97232c4)

## System

* OS                : OSX
* GTK+:           : 3.24.38_1
