[BUG] -1 Amount Fails With ETH
**Describe the bug**
When doing a payout with ETH and selecting -1 for the amount, it fails everytime.

**To Reproduce**
Steps to reproduce the behavior:

Just do a new payout with ETH and select -1 as the amount.

**Expected behavior**
To send all available funds minus fees.


**Desktop (please complete the following information):**

- OS: Ubuntu Linux (server)
- Client: Windows 10
- Version 0.8.0.0

