Core: Ability to remap ↑ and ↓ arrows (in order to invert them)

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Problem description

hello, i would like to be able to change the direction that the camera pans when i press the up and down arrows,

in other words i would like to invert the direction of the up and down arrows on my keyboard

thank you

### Full version info

```shell
OS: Linux Mint 22.1 (X-Cinnamon/cinnamon/xcb)
Architecture: x86_64
Version: 1.0.0.39109 (Git) Conda AppImage
Build type: Release
Branch: (HEAD detached at 1.0.0)
Hash: 2fcc5317fe3aee96ca73475986a577719fc78e20
Python 3.11.9, Qt 5.15.13, Coin 4.0.3, Vtk 9.2.6, OCC 7.7.2
Locale: English/United States (en_US)
Stylesheet/Theme/QtStyle: FreeCAD Dark.qss/FreeCAD Dark/Fusion
```

### Subproject(s) affected?

None

### Anything else?

https://www.youtube.com/watch?v=fBUgGy0flPk

### Code of Conduct

- [x] I agree to follow this project's Code of Conduct