orderList is not able to re-order multiple items

[jefftham]

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Plunkr Case (Bug Reports)
http://primefaces.org/primeng/#/orderlist

Current behavior

select multiple item by holding Ctrl key, click the up or down button, the items may not ordering.
After ordering single item, the multiple items ordering may be working.
If ordering multiple item at the first time, it will not be working.
The behaviors is not clear and expected.

Expected behavior

expected to order multiple items in accordingly.

Minimal reproduction of the problem with instructions

What is the motivation / use case for changing the behavior?

fix the bug.

Please tell us about your environment:

• Angular version: 4

• PrimeNG version: 4.2.2

• Browser: Chrome

[jefftham]

@cagataycivici , thanks for fixing the bug.

However, it is not working well.
Some time is not working when i select 2 items in the list.
When i select 3 items, some time only the first selected item is able to move.