Coin adding button becomes disabled

[imboogieman]

Hor to reproduce:

1. I created an account
2. I added KMD in lite mode
3. I added BTC in lite mode
4. I stayed still for some time
5. I clicked settings tab
6. When I got back to dashboard tab
7. Then I saw the add-a-coin button disabled

[pbca26]

@imboogieman added a possible fix