A setting for Background sync is missing

Description of the issue:
A setting for Background sync is missing.
If you type in a URL and then you click on website information, the following will be displayed:


As you can see, the ‘Background sync’ setting is missing on this output.

If you now click Site settings, the following will be displayed:


As you can see, the ‘Background sync’ setting is on this output.

But there is no way to change the setting ‘Backgrund sync’.
In the Site settings the setting ‘Background sync’ is missing:

How can this issue be reproduced?

  1. start Brave
  2. any URL

Expected result:
A setting for ‘Background sync’.

Brave Version( check About Brave):
Brave 1.0.1 Chromium: 78.0.3904.108 (Offizieller Build) (32-Bit)
Überarbeitung 4b26898a39ee037623a72fcfb77279fce0e7d648-refs/branch-heads/3904@{#889}
Betriebssystem Windows 10 OS Version 1809 (Build 17763.195)

Additional Information:
Chromium and other Chromium-based browsers (Chrome, Opera, Vivaldi, etc.) have
a setting for ‘Background sync’.