Extension keyboard shortcuts are not saving in Mac beta 1.12.91

Description of the issue:
If extension keyboard shortcuts are set, they are not saved

Steps to Reproduce (add as many as necessary): 1. 2. 3.

  1. go to brave://extensions/shortcuts
  2. set one or more keyboard shortcuts
  3. navigate away from this page
  4. return to brave://extensions/shortcuts

Actual Result (gifs and screenshots are welcome!):
see shortcut additions/changes weren’t saved, eg:

Expected result:
set short additions/changes persist, eg:

Reproduces how often:
Always (now, although when 1st installed this beta it was working…:face_with_monocle:)

Brave Version(See the About Brave page in the main menu):
[Version 1.12.91 Chromium: 84.0.4147.89 (Official Build) beta (64-bit)]
Running On Mac Catalina 10.15.5 (19F101)

Reproducible on current live release (yes/no):
no, it works in standard (non-beta) release --> assuming that’s what you meant

Additional Information:
Restarted and confirmed same behavior, although mysteriously when I first installed this beta a few days ago I was able to set extension shortcuts :face_with_monocle: