Background image options do not appear when system default language is set to Spanish

[Brave-Matt]

Description

A user reported that they were unable to change their background image settings for the NTP because the options for it (NTP --> Customize --> Background image) were not appearing for them:

After some troubleshooting, it was discovered that this behavior occurs when the OS (I believe) default Language settings were set to Spanish. Changing the language settings back to English, then returning to NTP --> Customize --> Background image, the options now appear again as expected.

Unclear as to whether or not this is specific to the Espanol (Spanish) language setting or if this occurs when any other language is selected (will test myself later).

Brave version (brave://version info)

v1.47.186
macOS versión: 12.6.2 (Monterey)

Miscellaneous Information:

Initial user report:
https://community.brave.com/t/the-background-image-option-does-not-appear/465543/8

[stephendonner]

Verified PASSED using

Brave	1.49.96 Chromium: 110.0.5481.77 (Build oficial) beta (x86_64)
Revisión	65ed616c6e8ee3fe0ad64fe83796c020644d42af-refs/branch-heads/5481@{#839}
SO	macOS Versión 11.7.3 (Fase 20G1116)

Case 1: Non Super-Referral - PASSED

Prerequisite: set Spanish as my preferred macOS language

Steps:

1. installed 1.49.96
2. launched with clean profile
3. opened a new-tab page
4. clicked on Personalizar
5. background Image option in NTP customize should be visible regardless of language settings

Case 2: Super-Referral - PASSED

Steps:

0. removed pre-existing user profile
1. created an empty user directory of ~/Library/Application Support/BraveBrowser/Brave-Browser-Beta/
2. created a file called promocode (no file extension/ending) with the sole string TECHNIK and dropped it into the above folder
3. launched Brave
4. opened brave://components
5. confirmed NTP Super Referrer (Technikke) and NTP Super Referrel Mapping Table were installed and up-to-date
6. loaded new tab and check TECHNIK bg image is shown
7. confirmed the Background Image option is not visible
8. opened chrome://settings/appearance and went to the Theme submenu
9. selected Brave default images
10. opened a new-tab page
11. clicked on Customize
12. confirmed the Background Image options have returned

Confirmed the Background Image options have returned, and the background is from Brave backgrounds

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