Fix Bug 2148: VDU Id issue & Multivdu Count Index Error in VM Action

	- Resolved vduId dropdown issue by removing the duplicate values
	  from the array
	- Resolved multivdu countIndex error by filtering count index
	  with selected vduId

Change-Id: I1231afb4bb3b013816cd8d7b8c50ae3decf5dbea
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>