Task status PAUSED while it should be PENDING

[Mykhailenko]

While fixing this issue we have noticed unexpected task status.

Steps to reproduce the problem:

1. lock all nodes except one
2. submit job with 2 tasks, first task should throw exception, second task depends on first, and could be simple hello world task
3. wait until first task became "in-error"
4. lock this single node that was not locked
5. select "in-error" task, and click "Mark as Finished"
6. then first task became FINISHED, and second - PAUSED.

Expected behaviour: at the step 6, second task should be PENDING, not PAUSED (because nobody actually paused it)

[Mykhailenko]

Fixed in 8.3.0