[Desktop] Follow up of #10064 - Reset rewards notification is shown forever even after resetting rewards

[GeetaSarvadnya]

Description

Follow up of #10064 - Reset rewards notification is shown forever even after resetting rewards

Steps to Reproduce

1. Clean profile 1.12.x
2. Enable rewards
3. Click on settings icon in brave://rewards page and click on Reset option
4. Click on Reset and ensure rewards reset notification is shown
5. Repeat the steps 3 and 4 again
6. Rewards reset notification is shown again and also encountered [Desktop]Follow up of #10064 - Rewards is turned off instead of reset when page is reloaded  #10934

Actual result:

Reset rewards notification is shown forever even after resetting rewards

Expected result:

Once the rewards is reset, rewards reset notification should be removed.

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.12.101 Chromium: 84.0.4147.89 (Official Build) dev (64-bit)
Revision	19abfe7bcba9318a0b2a6bc6634a67fc834aa592-refs/branch-heads/4147@{#852}
OS	Windows 10 OS Version 1903 (Build 18362.959)

Version/Channel Information:

• Can you reproduce this issue with the current release? NA
• Can you reproduce this issue with the beta channel? Yes
• 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 @NejcZdovc

[srirambv]

This is happening due to rewards not being reset. Once #10934 is fixed this would be obsolete as it will reset rewards

[NejcZdovc]

let's retest when #10934 lands

[LaurenWags]

Marking as QA/Blocked as this needs a new 1.12.x build to test

[GeetaSarvadnya]

Verification passed on

Brave | 1.12.107 Chromium: 84.0.4147.105 (Official Build) (64-bit)
-- | --
Revision | a6b12dfad6663f13a7e16e9a42a6a4975374096b-refs/branch-heads/4147@{#943}
OS | Windows 10 OS Version 1903 (Build 18362.959)

• Verified the test plan from Fix Rewards reset failing on Windows brave-core#6274 and STR from the issue
• Ensured Rewards reset is working fine and after reset, rewards welcome page is displayed
  
• Verified that ads_service, rewards_service publisher_info_db and Rewards.log folders/files are removed from the profile folder
• Verified that brave_rewards and brave_ads sections are removed from Preference file
• Verified that rewards can be opt-in from brave://settings, BR panel and NTP widget and all the options are working as expected