Failed to register AppImage in system via libappimage

Pre-submit checks

• I checked for similar issues beforehand, but could not find any, not even closed ones. I could not add my bug report to any existing issue.
• I am going to take the time to to fill in all the required details. I know that the bug report will be dismissed otherwise.

Describe the bug

When trying to integrate the AFFiNE or limusic appimage in the system using AppImageLauncher I get the following error: "Failed to register AppImage in system via libappimage". I checked out existing issues and most of the times its an issue with the appImage and not AppImageLauncher. Just wanted to confirm if that's the case here as well.

Expected behavior

The appImages should've been integrated with the system.

Steps to reproduce the issue

1. Download the appImage from the links pasted below
2. Make them executable
3. Double click to get the AppImageLauncher dialog
4. Select 'Integrate and run'

Screenshots

Distribution and desktop environment

PRETTY_NAME="Ubuntu 24.04.4 LTS" NAME="Ubuntu" VERSION_ID="24.04" VERSION="24.04.4 LTS (Noble Numbat)" VERSION_CODENAME=noble ID=ubuntu ID_LIKE=debian

Installed AppImageLauncher version

AppImageLauncher version 2.2.0 (git commit 0f91801), built on 2020-09-29 21:36:15 UTC

List of AppImages you tried (ideally with URL)

• AFFiNE (0.27.4) (broken, won't integrate but works fine if 'Run once' is clicked) https://github.com/toeverything/AFFiNE/releases/download/v0.27.4/affine-0.27.4-stable-linux-x64.appimage
• limusic (0.5.12) (broken, won't integrate but works fine if 'Run once' is clicked) https://github.com/SimoHypers/limusic/releases/download/v0.5.12/limusic_0.5.12_amd64.AppImage

Additional context

No response