[Connections] Invalid credentials lead to Something is wrong page

(Migrated from https://github.com/syndesisio/syndesis/issues/6188)

Author: @mcada
Assignees: Stan Lewis,

This is a...

[pre][code]
[ ] Feature request
[ ] Regression (a behavior that used to work and stopped working in a new release)
[x] Bug report [!-- Please search GitHub for a similar issue or PR before submitting --]
[ ] Documentation issue or request
[/code][/pre]

Description

Using connection with invalid credentials in integration ends up with

Something is wrong

page

1. Create a connection with incorrect credentials (kafka or slack are easy for reproducing this issue)
2. Use created connection in an integration

!screenshot_20190717_153940

!screenshot_20190717_154411