Improve error description on send token screen

[0byt]

Describe the bug When clicking "send" from an empty account, the token search modal shows "no token matches your search" whether or not a token is actually searched.

To Reproduce Steps to reproduce the behaviour:

1. Go to an empty account
2. Click on send funds
3. Try to load a token
4. See error

Expected behaviour Two options: The error should be "There are no tokens with balances in this account" (Preferred) Or that all sending links are disabled

Screenshots If applicable, add screenshots/recordings to help explain your problem.