Follow up to #8822: Make casing of settings titles / text consistent

[btlechowski]

The text changes are missing translations
Follow up to #8822

Steps to Reproduce

1. Run Brave in Polish(PL) locale
2. Open brave://settings
3. Check the list from Make casing of settings titles / text consistent #8822 for translations

The list:

• Side menu -> "Help tips"
• Appearance -> Themes -> "Open web store"
• Appearance -> "Always show bookmarks on New Tab page"
• Appearance -> "Press tab on a webpage"
• Shields -> "Look & feel"
• Extensions -> "Private window with Tor"
• Extensions -> Get more extensions -> "Open web store"
• Privacy and security -> "WebRTC IP handling policy"
• Privacy and security -> "Use Google services for push messaging"

Actual result:

The texts are not translated
Help tips (Wskazówki)

Expected result:

The texts are translated
Help tips (Wskazówki)

Reproduces how often:

Easily reproduced

Brave version (brave://version info)

Brave	1.17.32 Chromium: 86.0.4240.80 (Official Build) nightly (64-bit)
Revision	7ed88b53bda45a2d19efb4f8706dd6b6cad0d3af-refs/branch-heads/4240@{#1183}
OS	Ubuntu 18.04 LTS

cc @brave/legacy_qa @mkarolin @rebron

[btlechowski]

Issue fixed by #13040

Verification passed on

Brave	1.18.70 Chromium: 87.0.4280.101 (Official Build) (64-bit)
Revision	9407c80213cda69c2b7abcb4fa8e3f74488f4956-refs/branch-heads/4280@{#1807}
OS	Windows 7 Service Pack 1 (Build 7601.24544)

Side menu -> "Help tips"

Appearance -> Themes -> "Open web store"

Appearance -> "Always show bookmarks on New Tab page"

Appearance -> "Press tab on a webpage"

Shields -> "Look & feel"

Extensions -> "Private window with Tor"

Extensions -> Get more extensions -> "Open web store"

Privacy and security -> "WebRTC IP handling policy"

Privacy and security -> "Use Google services for push messaging"