Fix bug import custom EVM Rpc

[bluezdot]

Describe the bug

• Cannot import EVM Rpc that does not has net.isNetlistening method.
  

[haiyenvu23]

Version test : http://14.224.129.242:8900/s/x7zRQtJtgAkMCRb

• The network is disconnected but balance is still displayed

[haiyenvu23]

Version test : http://14.224.129.242:8900/s/HamJEfQGeXmyk6t
Validation passed in case :

• Install/Update version