No confirmation dialog shows up when leaving the integration

(Migrated from https://github.com/syndesisio/syndesis/issues/5619)

Author: Martin Muzikar
Assignees: unassigned

This is a...

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

Description

When leaving the integration creation process, there was a confirmation dialog displayed if user really wants to leave the process. Now it just allows them to leave without any second confirmation, which can lead to losing WIP integrations.