Description of the issue: Can’t backup my brave wallet, the recovery key is not shown
**Steps to Reproduce (add as many as necessary): If i go to Brave Rewards, click on the gear icon and click on Backup your wallet nothing happens, the recovery key is not show, so i can make a copy of the key, so i can put it on a safe place, please help cause I need to change my hard disk, and operating system.
Operating System Windows 7 Pro 32 bits Brave Version [Versión 1.17.75 Chromium: 87.0.4280.88 (Build oficial) (32 bits)]
The browser language is set to spanish
