Applications installed from Flathub, after being installed, appear without their proper icons

[GuilhermeIsNotUnix]

What Happened?

Applications installed from Flathub, after being installed, appear without their proper icons

Steps to Reproduce

1. Download and install some applications from Flathub, (for example the ones I'm showing in the screenshot of the problem, like Folite, GB Studio...)
2. Click on the applications menu and note that they may appear without their appropriate icons

Expected Behavior

App icons in the app menu should appear appropriate, just as their icons are shown on Flathub.

OS Version

8.x (Circe)

Session Type

Classic Session (X11, This is the default)

Software Version

Latest release (I have run all updates)

Log Output

No response

Hardware Info

No response