Unable to fit the window capture to the preview window.

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System specs:
OS: Ubuntu 20.04.3 LTS x86_64
Kernel: 5.11.0-27-generic
Resolution: 1920x1080
DE: GNOME
WM: Mutter
CPU: AMD Ryzen 7 3700X (16) @ 3.600G
GPU: AMD ATI Radeon RX 5700 XT
Memory: 16GBs

There's always a small black bar no matter what I do. The base canvas is set to my monitor's resolution 1920x1080
Log file: https://obsproject.com/logs/Lly3y9lthQ627XsQ
Screenshot: https://imgur.com/jsPQ3k8

 

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Any thoughts?