favicons are not consistently displayed in the ledger table

[LaurenWags]

Description

@srirambv and I are not seeing favicons displayed consistently in the ledger table.

Steps to Reproduce

1. Add some sites to ledger table. See that sites have favicons.
2. Delete some sites from the table.
3. Open deleted sites dialog box.
4. Clear one or more (or all) sites.
5. Revisit site so it gets added back to the table.

Actual result:
Sites may or may not display their favicons when returned to the table. In the screenshot below all sites had been removed at one time or another (all sites had favicons prior to deleting from the table). Two of them got favicons back, but the others did not.

Expected result:
All sites should have favicons.

Reproduces how often:
Most of the time, but not 100%

Brave Version

about:brave info:
0.21.12

Reproducible on current live release:

Additional Information

@srirambv sometimes doesn't see favicons added when sites are added to the ledger table initially.

cc @NejcZdovc