Walletconnect initially fetches Ethereum 'eth_blockNumber' for all networks

[Jesse-Sawa]

Bug Description After using walletconnect on any network other than mainnet, an invalid balance is displayed due to an invalid block number.

Steps to Reproduce

1. Connect with wallet connect
2. Do not refresh

Expected Behavior The respective chains latest block is fetched and correct balance is displayed.

Additional Context

In this case the balance is correct however, previously I've seen the corresponding wallets mainnet ether balance displayed;