No desktop icon on Raspberry Pi OS 64-bit

### Most appropriate sub-area of Processing 4?

PDE

### Processing version

4.3.1

### Operating system

Raspberry Pi OS (12 bookworm)

### Steps to reproduce this

1. Run `install.sh`

### snippet

_No response_

### Additional context

The desktop icon does appear on the 32-bit version of Raspberry Pi OS.