Missing App Icon on Linux.

[AndKe]

Describe the problem

Both the .AppImage and the zipped version fails to display the icon of Arduino when running the app.

To reproduce

Try to run .AppImage or the zipped version on Ubuntu 23.10 / 24.04

Expected behavior

I'd expect the appicon to show, please see opensource-project PrusaSlicer to see how to properly implement that in the AppImage or otherwise.

Arduino IDE version

2.3.2

Operating system

Linux

Operating system version

Ubuntu 24.04

Additional context

Related: #131

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the latest nightly build
• My report contains all necessary details