Top site setting isn't in sync between brave://settings/newTab and dashboard settings in NTP

[GeetaSarvadnya]

Description

Top site setting isn't in sync between brave://settings/newTab and dashboard settings in NTP

Steps to Reproduce

STR1:

1. Clean profile 1.18.x
2. Open NTP Dashboard settings
3. Looks for Topsites settings (Topsites settings is ENABLED)
4. Open brave://settings/newTab
5. Looks for Topsites settings (Topsites settings is DISABLED)

STR2:

1. Clean profile 1.18.x
2. Open brave://settings/newTab
3. Looks for Topsites settings (By default settings is DISABLED)
4. Enable Topsites settings and restart the browser
5. Setting reverted back to disabled

Actual result:

Expected result:

All the settings in NTP and brave://settings/newTab should be in sync

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.18.27 Chromium: 87.0.4280.40 (Official Build) nightly (64-bit)
Revision	349b9adbfb2784db684617c7731a57d1e61b3be0-refs/branch-heads/4280@{#863}
OS	Windows 10 OS Version 1903 (Build 18362.1139)

Version/Channel Information:

• Can you reproduce this issue with the current release? No
• Can you reproduce this issue with the beta channel? No
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? NA
• Does the issue resolve itself when disabling Brave Rewards? NA
• Is the issue reproducible on the latest version of Chrome? NA

Miscellaneous Information:

cc: @brave/legacy_qa @rebron @bsclifton @karenkliu

[rebron]

Closing as wontfix in favor of #12505 which will have a pointer from Settings to the New Tab page so we don't have these redundancies and overhead.

[rebron]

@GeetaSarvadnya Thanks for filing this one.