Solaar flatpak .desktop file borked

For some reason my solaar flatpak .desktop file in the application launcher does´t work anymore. I can start the program through cli, but nothing I tried fixes the shortcut.
I installed it through Discover on my PC and my Steamdeck.
I tried uninstalling and removing all user files and reinstalling it. I also compared the shortcut with the one I have on my Steamdeck (everything seems to be identical) and I have no issues on my Steamdeck.
Is there any other way I can try to fix this?
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