AppImage - Desktop entry is missing Icon

[stoffel2]

Describe the bug
*.desktop entry created by appimaged is missing an icon.

To Reproduce
Steps to reproduce the behavior:

1. copy AppImage file from https://appimage.github.io/LosslessCut/ to .local/bin/
2. chmod +x ./*.AppImage
3. logout and login

Expected behavior
Application entry with icon.

Desktop (please complete the following information):
Debian Buster
ii kde-plasma-desktop 5:102

Additional context
App requests following text when sending problem report
No error

{
"state": {
"filePath": "",
"externalStreamFiles": [],
"mainStreams": [],
"copyStreamIdsByFile": {},
"cutSegments": [
{}
],
"rotation": 360,
"shortestFlag": false
},
"platform": "linux",
"version": "3.31.1"
}

[mifi]

Possibly related? electron-userland/electron-builder#4617 or electron-userland/electron-builder#2269

[shmu26]

I have this same issue on Kubuntu 23.04

[mifi]

electron and electron builder now latest version. please test. i can reopen if it's still an issue on the newest version of losslesscut