[bisq-network/bisq] Localhost.9999 bug (#4123)

[leo816]

<!--
   SUPPORT REQUESTS: This is for reporting bugs in the Bisq app.
   If you have a support request, please join #support on Bisq's
   Keybase team at https://keybase.io/team/Bisq
-->

### Description

User's onion address shows up as localhost.9999 and he is not able to receive any messages (on two cases it was the seller)
another mediator (@Bisq_Knight) had another case.
<img width="827" alt="bisq error" src="https://user-images.githubusercontent.com/54798241/78555195-cc416580-780c-11ea-9c56-91c1f86e6f89.png">


#### Version

<!-- commit id or version number -->

### Steps to reproduce

Dealing with two mediation disputes I came across this.

### Expected behaviour

a normal onion address.

### Actual behaviour

It's simply not possible to get localhost as a network address.

### Screenshots

<!--Screenshots if gui related, drag and drop to add to the issue -->

#### Device or machine

<!-- device/machine used, operating system -->



#### Additional info

<!-- Additional information useful for debugging (e.g. logs) -->


-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/bisq-network/bisq/issues/4123
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.bisq.network/pipermail/bisq-github/attachments/20200406/c93c299c/attachment.html>