Broken favicon on ledger table

[luixxiul]

Describe the issue you encountered:
The favicon of http://japanrailpass.net/en/ on the ledger table is broken

Expected behavior:
It should be displayed

• Platform (Win7, 8, 10? macOS? Linux distro?): macOS

• Brave Version: master branch

• Steps to reproduce:

  1. Clear your ledger data
  2. Visit http://japanrailpass.net/en/ and open some pages
  3. Open about:preferences#payments

• Screenshot if needed:

• Any related issues:

[luixxiul]

Test plan:

Clear your ledger data
Visit http://japanrailpass.net/en/ and open some pages
Open about:preferences#payments
Make sure that the favicon is not corrupted