Description of the problem:
In certain scenarios, after clicking abort, the data isn't reloaded right away and the state remains active. This can cause the user to press Abort again, and fail.

How reproducible:
50%

Steps to reproduce:

1. Run a workflow that takes time to complete

2. Click on Abort

Actual results:
Sometimes the state remains active for a few seconds

Expected results:
There should be some busy indication while abort is being executed, and the abort button should be disabled, once it's done, the instance should be reloaded immediately.