Hello @SJK9906, this issue is already being tracked at https://github.com/ValveSoftware/steam-for-linux/issues/9209.
You should be able to workaround this issue by completely closing Steam, then running Steam with STEAM_FORCE_DESKTOPUI_SCALING=2.0 steam or steam -forcedesktopscaling=2.0 (adjusting 2.0 to your preference).
Closing in favor of the older issue report.
Your system information
Versione di Steam: 1690583737
Data della build del client di Steam: ven 28 lug 20:44 UTC -08:00
Data della build Web di Steam: sab 29 lug 0:21 UTC -08:00
Versione API di Steam: SteamClient020
Please describe your issue in as much detail as possible:
the client steam don't use a screen and font settings and is too small to use

Steps for reproducing this issue: