ProcessModifyEvents to interate whole list not just first index
ProcessModifyEvents to interate whole list not just first index

* A bug in logic meant only the first item in the modify event queue was being processed

Change-Id: I530a816fb2bbd09efc53fd34e597abe6fb7efb30
Signed-off-by: Agnelo Vaz <d0fa58ac5bbe69eb48f57743cdbf1057356aae0d@samsung.com>

dalihub/dali-toolkit,dalihub/dali-toolkit,dalihub/dali-toolkit,dalihub/dali-toolkit