Broken Icon on File Choose in Flatpak

Hello, I’m quite new in flatpak, I have problem with the icon on the file opener and file closer in flatpak on any app using gtk, seems my OS icon pack isn’t deteced cause the broken icon on the file chooser. Is there anyway to fix this?

I’m using Fedora XFCE 38 spin using linux mint icon pack (from fedora repo), and all icon basicly broken like this, eg. :

If there are anyway to fix this, could anyone please let me know?
Thank you