Your system information

• Steam client version (build number or date): Nov 1 20:48:56 (Latest beta as today)
• Distribution (e.g. Ubuntu): Arch Linux
• Opted into Steam client beta?: [Yes/No] Yes
• Have you checked for system updates?: [Yes/No] Yes

When I try to uninstall a game, the clients gets zoomed and a double popup appears

Regular view:

Once I click on uninstall (Double uninstall popup confirmation and all the UI has been zoomed)