ads panel description on brave://rewards is not translated

[btlechowski]

Important: not reproducible on 0.70.x nor on 0.74.x

Steps to Reproduce

1. Open Brave in Polish locale
2. Open brave://rewards

Actual result:

ads panel description is not translated

Expected result:

ads panel description is translated

Reproduces how often:

Always

Brave version (brave://version info)

Reproducible on

Brave	0.71.114 Chromium: 78.0.3904.97 (Official Build) (64-bit)
Revision	021b9028c246d820be17a10e5b393ee90f41375e-refs/branch-heads/3904@{#859}
OS	Ubuntu 18.04 LTS

Not Reproducible on 0.70.x, nightly

Brave	0.70.123 Chromium: 78.0.3904.97 (Oficjalna wersja) (64-bitowa)
Wersja	021b9028c246d820be17a10e5b393ee90f41375e-refs/branch-heads/3904@{#859}
System operacyjny	Windows 7 Service Pack 1 (Build 7601.24530)

Brave	0.74.7 Chromium: 78.0.3904.87 (Oficjalna wersja) nightly (64-bitowa)
Wersja	20c21f4010010f32462ea8e1d6af30cef66d48c8-refs/branch-heads/3904@{#840}
System operacyjny	Windows 7 Service Pack 1 (Build 7601.24530)

cc @brave/legacy_qa @rebron @mkarolin @ryanml

[btlechowski]

@rebron @mkarolin This is a recent regression introduced between 0.70.111/0.70.112 and 0.70.113.

The issue started to reproduce on 0.70.113.

[LaurenWags]

Reproduces with other languages (Russian) as well.

Brave	0.71.114 Chromium: 78.0.3904.97 (Официальная сборка) (64 бит)
Версия	021b9028c246d820be17a10e5b393ee90f41375e-refs/branch-heads/3904@{#859}
ОС	macOS Версия 10.13.6 (Выпуск 17G5019)

[mkarolin]

Fixed via brave/brave-core#3979

[btlechowski]

Verification passed on

Brave	0.71.115 Chromium: 78.0.3904.97 (Official Build) (64-bit)
Revision	021b9028c246d820be17a10e5b393ee90f41375e-refs/branch-heads/3904@{#859}
OS	Ubuntu 18.04 LTS

Verified STR from the description

tokens - Polish

tokens - English

points - English

points - Japanese

Verified passed with

Brave	0.71.115 Chromium: 78.0.3904.97 (Official Build) (64-bit)
Revision	021b9028c246d820be17a10e5b393ee90f41375e-refs/branch-heads/3904@{#859}
OS	macOS Version 10.13.6 (Build 17G5019)

• Verified STR from description

Russian

Japanese (points)

English (points)

English (tokens)

Verification passed on

Brave	0.71.115 Chromium: 78.0.3904.97 (Official Build) (64-bit)
Revision	021b9028c246d820be17a10e5b393ee90f41375e-refs/branch-heads/3904@{#859}
OS	Windows 10 OS Version 1803 (Build 17134.1006)

• Verified STR from the description
  Token- Polish
  

Token - English (New Zealand)

Points- Japanese

Tokens - English (US)