Refresh balance doesn't work for Binance

[srirambv]

Description

Refresh balance doesn't work for Binance

Steps to Reproduce

1. Connect to Binance widget
2. Send funds to wallet
3. Wait for 30sec auto-refresh, balance doesn't update
4. Manually refresh balance from widget menu, balance still doesn't update

Actual result:

Refresh balance doesn't work for Binance

Expected result:

Balance should auto-refresh when funds are added or when manually refreshed

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.21.77 Chromium: 89.0.4389.90 (Official Build) (64-bit)
Revision	62eb262cdaae9ef819aadd778193781455ec7a49-refs/branch-heads/4389@{#1534}
OS	Linux

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 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: @petemill