Fix Bug 1988 - Drop down for action does not reflect what the deployed service can actually do

	- If VNF is removed within an existing Network service, primitive action will not show the removed
	  VNF in dropdown only the available VNF will be shown in UI

Change-Id: I60648093ba63c6b962380898300e75d69bcbf409
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>