Your system information

• Steam client version (build number or date): Beta May30
• Distribution (e.g. Ubuntu): Ubuntu 16.04lts xfce
• Opted into Steam client beta?: Yes
• Have you checked for system updates?: Yes

Please describe your issue in as much detail as possible:

When steam is closed into the system tray I try to double click on the icon like in windows to open steam, instead it just opens the right click menu and closes it again.

Steps for reproducing this issue:

1. install steam
2. close steam
3. double click on steam icon in tray