Flatpak v4.15.6 - Failed to load module "xapp-gtk3-module"
**Describe the bug**
Gives an error when starting Flatpak v4.15.6 version.

**To Reproduce**
Steps to reproduce the behavior:
1. Run In the terminal:
`/usr/bin/flatpak run --branch=master --arch=x86_64 --command=cake_wallet com.cakewallet.CakeWallet`
2. Gives an error message:
`Gtk-Message: 07:52:56.845: Failed to load module "xapp-gtk3-module"`

 

**Platform:**
 - OS: Linux Mint - 21.3 (Virginia)
 - Cake Wallet Version: Flatpak v4.15.6
