Can't build appimage without MetaFile field

[crackedmind]

MetaFile marked as optional

Reproduce

1. Clone https://github.com/kuiperzone/PupNet-HelloWorld/
2. Comment line https://github.com/kuiperzone/PupNet-HelloWorld/blob/main/HelloWorld.pupnet.conf#L129
3. Output

Remove: ./home/crackedmind/Projects/PupNet-HelloWorld/Deploy/OUT/Artifacts.AppImage.x86_64 ... OK
Create Directory: /home/crackedmind/Projects/PupNet-HelloWorld/Deploy/OUT/Artifacts.AppImage.x86_64 ... OK
Create File: /home/crackedmind/Projects/PupNet-HelloWorld/Deploy/OUT/Artifacts.AppImage.x86_64/zone.kuiper.helloworld.desktop ... OK
Create File: /home/crackedmind/Projects/PupNet-HelloWorld/Deploy/OUT/Artifacts.AppImage.x86_64/zone.kuiper.helloworld.appdata.xml ... FAILED

FAILED
Could not find file '/tmp/KuiperZone.PupNet/zone.kuiper.helloworld-linux-x64-Release-AppImage/AppDir/usr/share/metainfo/zone.kuiper.helloworld.appdata.xml'.

Tools versions

$ pupnet --version
PupNet Deploy 1.9.0

$ appimagetool-x86_64.AppImage --version
appimagetool, continuous build (git version 81ee1db), build 172 built on 2024-08-08 00:18:46 UTC

$ cat /etc/os-release
PRETTY_NAME="Ubuntu 24.04.3 LTS"