Custom browser dock window under Wayland is transparent

[rmnvgr]

Operating System Info

Other

Other OS

Fedora 33

OBS Studio Version

Other

OBS Studio Version (Other)

OBS 4074e68-modified (Flatpak bundle of obsproject/obs-studio#4431)

OBS Studio Log URL

https://obsproject.com/logs/FJfJkTBIEjv7KI55

OBS Studio Crash Log URL

No response

Expected Behavior

The content of the window should be visible.

Current Behavior

The content of the window is transparent, only the border and titlebar is visible.

Steps to Reproduce

1. Open OBS in a Wayland session
2. Create a new custom browser dock (View → Docks → Custom browser docks)

Anything else we should know?

No response

Screenshot:

CC @GeorgesStavracas