fix sxmo_phonemenu number used

We were not shifting the cmd argument so we can only save "newcontact"
as phone number...

scripts/core/sxmo_contactmenu.sh

@@ -152,6 +152,7 @@ main() {
 
 if [ -n "$1" ]; then
 	cmd="$1"
+	shift
 else
 	cmd=main
 fi