[Desktop] UGP Token grants claimed is not shown in Monthly statement

[GeetaSarvadnya]

Description

Found while testing #10176 (comment)

Steps to Reproduce

1. Follow the STR from [Desktop] portion of split funded tips are being processed again on browser restart #10176 (comment)
2. Open monthly statement
3. UGP Token grants claimed is not shown in Monthly statement

Actual result:

UGP Token grants claimed is not shown in Monthly statement

Expected result:

UGP Token grants claimed should be shown in Monthly statement

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.10.88 Chromium: 83.0.4103.97 (Official Build) (64-bit)
Revision	326d148b9655369b86498d9ecca39f63dd2bdd2d-refs/branch-heads/4103@{#657}
OS	Windows 10 OS Version 1803 (Build 17134.1006)

Version/Channel Information:

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

[NejcZdovc]

this is expected as when you restore wallet rewards summary is reset